65620625

素因数分解:

$5^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:363

約数の個数: 40

約数和(自身を含む): 95819328

約数和(自身を除く): 30198703

約数列:

[1, 5, 7, 25, 35, 53, 125, 175, 265, 283, 371, 625, 875, 1325, 1415, 1855, 1981, 4375, 6625, 7075, 9275, 9905, 14999, 33125, 35375, 46375, 49525, 74995, 104993, 176875, 231875, 247625, 374975, 524965, 1238125, 1874875, 2624825, 9374375, 13124125, 65620625]

約数ペア:

[(1, 65620625), (5, 13124125), (7, 9374375), (25, 2624825), (35, 1874875), (53, 1238125), (125, 524965), (175, 374975), (265, 247625), (283, 231875), (371, 176875), (625, 104993), (875, 74995), (1325, 49525), (1415, 46375), (1855, 35375), (1981, 33125), (4375, 14999), (6625, 9905), (7075, 9275)]