21167477500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{9721}}^1$

素因数の和:9825

約数の個数: 120

約数和(自身を含む): 50598965648

約数和(自身を除く): 29431488148

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 67, 100, 125, 130, 134, 250, 260, 268, 325, 335, 500, 625, 650, 670, 871, 1250, 1300, 1340, 1625, 1675, 1742, 2500, 3250, 3350, 3484, 4355, 6500, 6700, 8125, 8375, 8710, 9721, 16250, 16750, 17420, 19442, 21775, 32500, 33500, 38884, 41875, 43550, 48605, 83750, 87100, 97210, 108875, 126373, 167500, 194420, 217750, 243025, 252746, 435500, 486050, 505492, 544375, 631865, 651307, 972100, 1088750, 1215125, 1263730, 1302614, 2177500, 2430250, 2527460, 2605228, 3159325, 3256535, 4860500, 6075625, 6318650, 6513070, 8466991, 12151250, 12637300, 13026140, 15796625, 16282675, 16933982, 24302500, 31593250, 32565350, 33867964, 42334955, 63186500, 65130700, 78983125, 81413375, 84669910, 157966250, 162826750, 169339820, 211674775, 315932500, 325653500, 407066875, 423349550, 814133750, 846699100, 1058373875, 1628267500, 2116747750, 4233495500, 5291869375, 10583738750, 21167477500]

約数ペア:

[(1, 21167477500), (2, 10583738750), (4, 5291869375), (5, 4233495500), (10, 2116747750), (13, 1628267500), (20, 1058373875), (25, 846699100), (26, 814133750), (50, 423349550), (52, 407066875), (65, 325653500), (67, 315932500), (100, 211674775), (125, 169339820), (130, 162826750), (134, 157966250), (250, 84669910), (260, 81413375), (268, 78983125), (325, 65130700), (335, 63186500), (500, 42334955), (625, 33867964), (650, 32565350), (670, 31593250), (871, 24302500), (1250, 16933982), (1300, 16282675), (1340, 15796625), (1625, 13026140), (1675, 12637300), (1742, 12151250), (2500, 8466991), (3250, 6513070), (3350, 6318650), (3484, 6075625), (4355, 4860500), (6500, 3256535), (6700, 3159325), (8125, 2605228), (8375, 2527460), (8710, 2430250), (9721, 2177500), (16250, 1302614), (16750, 1263730), (17420, 1215125), (19442, 1088750), (21775, 972100), (32500, 651307), (33500, 631865), (38884, 544375), (41875, 505492), (43550, 486050), (48605, 435500), (83750, 252746), (87100, 243025), (97210, 217750), (108875, 194420), (126373, 167500)]