42178750

素因数分解:

$2^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:886

約数の個数: 40

約数和(自身を含む): 81086544

約数和(自身を除く): 38907794

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 625, 823, 1025, 1250, 1646, 2050, 4115, 5125, 8230, 10250, 20575, 25625, 33743, 41150, 51250, 67486, 102875, 168715, 205750, 337430, 514375, 843575, 1028750, 1687150, 4217875, 8435750, 21089375, 42178750]

約数ペア:

[(1, 42178750), (2, 21089375), (5, 8435750), (10, 4217875), (25, 1687150), (41, 1028750), (50, 843575), (82, 514375), (125, 337430), (205, 205750), (250, 168715), (410, 102875), (625, 67486), (823, 51250), (1025, 41150), (1250, 33743), (1646, 25625), (2050, 20575), (4115, 10250), (5125, 8230)]