5211700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 12881120

約数和(自身を除く): 7669420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 211, 247, 260, 325, 380, 422, 475, 494, 650, 844, 950, 988, 1055, 1235, 1300, 1900, 2110, 2470, 2743, 4009, 4220, 4940, 5275, 5486, 6175, 8018, 10550, 10972, 12350, 13715, 16036, 20045, 21100, 24700, 27430, 40090, 52117, 54860, 68575, 80180, 100225, 104234, 137150, 200450, 208468, 260585, 274300, 400900, 521170, 1042340, 1302925, 2605850, 5211700]

約数ペア:

[(1, 5211700), (2, 2605850), (4, 1302925), (5, 1042340), (10, 521170), (13, 400900), (19, 274300), (20, 260585), (25, 208468), (26, 200450), (38, 137150), (50, 104234), (52, 100225), (65, 80180), (76, 68575), (95, 54860), (100, 52117), (130, 40090), (190, 27430), (211, 24700), (247, 21100), (260, 20045), (325, 16036), (380, 13715), (422, 12350), (475, 10972), (494, 10550), (650, 8018), (844, 6175), (950, 5486), (988, 5275), (1055, 4940), (1235, 4220), (1300, 4009), (1900, 2743), (2110, 2470)]