505865440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1291}}^1$

素因数の和:1416

約数の個数: 96

約数和(自身を含む): 1250242560

約数和(自身を除く): 744377120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 79, 80, 124, 155, 158, 160, 248, 310, 316, 395, 496, 620, 632, 790, 992, 1240, 1264, 1291, 1580, 2449, 2480, 2528, 2582, 3160, 4898, 4960, 5164, 6320, 6455, 9796, 10328, 12245, 12640, 12910, 19592, 20656, 24490, 25820, 39184, 40021, 41312, 48980, 51640, 78368, 80042, 97960, 101989, 103280, 160084, 195920, 200105, 203978, 206560, 320168, 391840, 400210, 407956, 509945, 640336, 800420, 815912, 1019890, 1280672, 1600840, 1631824, 2039780, 3161659, 3201680, 3263648, 4079560, 6323318, 6403360, 8159120, 12646636, 15808295, 16318240, 25293272, 31616590, 50586544, 63233180, 101173088, 126466360, 252932720, 505865440]

約数ペア:

[(1, 505865440), (2, 252932720), (4, 126466360), (5, 101173088), (8, 63233180), (10, 50586544), (16, 31616590), (20, 25293272), (31, 16318240), (32, 15808295), (40, 12646636), (62, 8159120), (79, 6403360), (80, 6323318), (124, 4079560), (155, 3263648), (158, 3201680), (160, 3161659), (248, 2039780), (310, 1631824), (316, 1600840), (395, 1280672), (496, 1019890), (620, 815912), (632, 800420), (790, 640336), (992, 509945), (1240, 407956), (1264, 400210), (1291, 391840), (1580, 320168), (2449, 206560), (2480, 203978), (2528, 200105), (2582, 195920), (3160, 160084), (4898, 103280), (4960, 101989), (5164, 97960), (6320, 80042), (6455, 78368), (9796, 51640), (10328, 48980), (12245, 41312), (12640, 40021), (12910, 39184), (19592, 25820), (20656, 24490)]