82011875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 40

約数和(自身を含む): 113963520

約数和(自身を除く): 31951645

約数列:

[1, 5, 11, 25, 55, 79, 125, 151, 275, 395, 625, 755, 869, 1375, 1661, 1975, 3775, 4345, 6875, 8305, 9875, 11929, 18875, 21725, 41525, 49375, 59645, 94375, 108625, 131219, 207625, 298225, 543125, 656095, 1038125, 1491125, 3280475, 7455625, 16402375, 82011875]

約数ペア:

[(1, 82011875), (5, 16402375), (11, 7455625), (25, 3280475), (55, 1491125), (79, 1038125), (125, 656095), (151, 543125), (275, 298225), (395, 207625), (625, 131219), (755, 108625), (869, 94375), (1375, 59645), (1661, 49375), (1975, 41525), (3775, 21725), (4345, 18875), (6875, 11929), (8305, 9875)]