72820625

素因数分解:

$5^4\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 40

約数和(自身を含む): 96868992

約数和(自身を除く): 24048367

約数列:

[1, 5, 25, 37, 47, 67, 125, 185, 235, 335, 625, 925, 1175, 1675, 1739, 2479, 3149, 4625, 5875, 8375, 8695, 12395, 15745, 23125, 29375, 41875, 43475, 61975, 78725, 116513, 217375, 309875, 393625, 582565, 1086875, 1549375, 1968125, 2912825, 14564125, 72820625]

約数ペア:

[(1, 72820625), (5, 14564125), (25, 2912825), (37, 1968125), (47, 1549375), (67, 1086875), (125, 582565), (185, 393625), (235, 309875), (335, 217375), (625, 116513), (925, 78725), (1175, 61975), (1675, 43475), (1739, 41875), (2479, 29375), (3149, 23125), (4625, 15745), (5875, 12395), (8375, 8695)]