8254146100

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{397}}^1\times {\mathrm{809}}^1$

素因数の和:1477

約数の個数: 72

約数和(自身を含む): 18048766680

約数和(自身を除く): 9794620580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 397, 514, 794, 809, 1028, 1285, 1588, 1618, 1985, 2570, 3236, 3970, 4045, 5140, 6425, 7940, 8090, 9925, 12850, 16180, 19850, 20225, 25700, 39700, 40450, 80900, 102029, 204058, 207913, 321173, 408116, 415826, 510145, 642346, 831652, 1020290, 1039565, 1284692, 1605865, 2040580, 2079130, 2550725, 3211730, 4158260, 5101450, 5197825, 6423460, 8029325, 10202900, 10395650, 16058650, 20791300, 32117300, 82541461, 165082922, 330165844, 412707305, 825414610, 1650829220, 2063536525, 4127073050, 8254146100]

約数ペア:

[(1, 8254146100), (2, 4127073050), (4, 2063536525), (5, 1650829220), (10, 825414610), (20, 412707305), (25, 330165844), (50, 165082922), (100, 82541461), (257, 32117300), (397, 20791300), (514, 16058650), (794, 10395650), (809, 10202900), (1028, 8029325), (1285, 6423460), (1588, 5197825), (1618, 5101450), (1985, 4158260), (2570, 3211730), (3236, 2550725), (3970, 2079130), (4045, 2040580), (5140, 1605865), (6425, 1284692), (7940, 1039565), (8090, 1020290), (9925, 831652), (12850, 642346), (16180, 510145), (19850, 415826), (20225, 408116), (25700, 321173), (39700, 207913), (40450, 204058), (80900, 102029)]