12161875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 40

約数和(自身を含む): 17431920

約数和(自身を除く): 5270045

約数列:

[1, 5, 11, 25, 29, 55, 61, 125, 145, 275, 305, 319, 625, 671, 725, 1375, 1525, 1595, 1769, 3355, 3625, 6875, 7625, 7975, 8845, 16775, 18125, 19459, 38125, 39875, 44225, 83875, 97295, 199375, 221125, 419375, 486475, 1105625, 2432375, 12161875]

約数ペア:

[(1, 12161875), (5, 2432375), (11, 1105625), (25, 486475), (29, 419375), (55, 221125), (61, 199375), (125, 97295), (145, 83875), (275, 44225), (305, 39875), (319, 38125), (625, 19459), (671, 18125), (725, 16775), (1375, 8845), (1525, 7975), (1595, 7625), (1769, 6875), (3355, 3625)]