9968488750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{10211}}^1$

素因数の和:10315

約数の個数: 80

約数和(自身を含む): 20672682624

約数和(自身を除く): 10704193874

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 125, 142, 250, 275, 355, 550, 625, 710, 781, 1250, 1375, 1562, 1775, 2750, 3550, 3905, 6875, 7810, 8875, 10211, 13750, 17750, 19525, 20422, 39050, 44375, 51055, 88750, 97625, 102110, 112321, 195250, 224642, 255275, 488125, 510550, 561605, 724981, 976250, 1123210, 1276375, 1449962, 2552750, 2808025, 3624905, 5616050, 6381875, 7249810, 7974791, 12763750, 14040125, 15949582, 18124525, 28080250, 36249050, 39873955, 70200625, 79747910, 90622625, 140401250, 181245250, 199369775, 398739550, 453113125, 906226250, 996848875, 1993697750, 4984244375, 9968488750]

約数ペア:

[(1, 9968488750), (2, 4984244375), (5, 1993697750), (10, 996848875), (11, 906226250), (22, 453113125), (25, 398739550), (50, 199369775), (55, 181245250), (71, 140401250), (110, 90622625), (125, 79747910), (142, 70200625), (250, 39873955), (275, 36249050), (355, 28080250), (550, 18124525), (625, 15949582), (710, 14040125), (781, 12763750), (1250, 7974791), (1375, 7249810), (1562, 6381875), (1775, 5616050), (2750, 3624905), (3550, 2808025), (3905, 2552750), (6875, 1449962), (7810, 1276375), (8875, 1123210), (10211, 976250), (13750, 724981), (17750, 561605), (19525, 510550), (20422, 488125), (39050, 255275), (44375, 224642), (51055, 195250), (88750, 112321), (97625, 102110)]