42042500

素因数分解:

$2^2\times 5^4\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 60

約数和(自身を含む): 93682512

約数和(自身を除く): 51640012

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 125, 134, 250, 251, 268, 335, 500, 502, 625, 670, 1004, 1250, 1255, 1340, 1675, 2500, 2510, 3350, 5020, 6275, 6700, 8375, 12550, 16750, 16817, 25100, 31375, 33500, 33634, 41875, 62750, 67268, 83750, 84085, 125500, 156875, 167500, 168170, 313750, 336340, 420425, 627500, 840850, 1681700, 2102125, 4204250, 8408500, 10510625, 21021250, 42042500]

約数ペア:

[(1, 42042500), (2, 21021250), (4, 10510625), (5, 8408500), (10, 4204250), (20, 2102125), (25, 1681700), (50, 840850), (67, 627500), (100, 420425), (125, 336340), (134, 313750), (250, 168170), (251, 167500), (268, 156875), (335, 125500), (500, 84085), (502, 83750), (625, 67268), (670, 62750), (1004, 41875), (1250, 33634), (1255, 33500), (1340, 31375), (1675, 25100), (2500, 16817), (2510, 16750), (3350, 12550), (5020, 8375), (6275, 6700)]