83951920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1022

約数の個数: 80

約数和(自身を含む): 212798880

約数和(自身を除く): 128846960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 445, 520, 712, 890, 907, 1040, 1157, 1424, 1780, 1814, 2314, 3560, 3628, 4535, 4628, 5785, 7120, 7256, 9070, 9256, 11570, 11791, 14512, 18140, 18512, 23140, 23582, 36280, 46280, 47164, 58955, 72560, 80723, 92560, 94328, 117910, 161446, 188656, 235820, 322892, 403615, 471640, 645784, 807230, 943280, 1049399, 1291568, 1614460, 2098798, 3228920, 4197596, 5246995, 6457840, 8395192, 10493990, 16790384, 20987980, 41975960, 83951920]

約数ペア:

[(1, 83951920), (2, 41975960), (4, 20987980), (5, 16790384), (8, 10493990), (10, 8395192), (13, 6457840), (16, 5246995), (20, 4197596), (26, 3228920), (40, 2098798), (52, 1614460), (65, 1291568), (80, 1049399), (89, 943280), (104, 807230), (130, 645784), (178, 471640), (208, 403615), (260, 322892), (356, 235820), (445, 188656), (520, 161446), (712, 117910), (890, 94328), (907, 92560), (1040, 80723), (1157, 72560), (1424, 58955), (1780, 47164), (1814, 46280), (2314, 36280), (3560, 23582), (3628, 23140), (4535, 18512), (4628, 18140), (5785, 14512), (7120, 11791), (7256, 11570), (9070, 9256)]