82281875

素因数分解:

$5^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 60

約数和(自身を含む): 120055320

約数和(自身を除く): 37773445

約数列:

[1, 5, 13, 19, 25, 41, 65, 95, 125, 169, 205, 247, 325, 475, 533, 625, 779, 845, 1025, 1235, 1625, 2375, 2665, 3211, 3895, 4225, 5125, 6175, 6929, 8125, 10127, 11875, 13325, 16055, 19475, 21125, 25625, 30875, 34645, 50635, 66625, 80275, 97375, 105625, 131651, 154375, 173225, 253175, 333125, 401375, 486875, 658255, 866125, 1265875, 2006875, 3291275, 4330625, 6329375, 16456375, 82281875]

約数ペア:

[(1, 82281875), (5, 16456375), (13, 6329375), (19, 4330625), (25, 3291275), (41, 2006875), (65, 1265875), (95, 866125), (125, 658255), (169, 486875), (205, 401375), (247, 333125), (325, 253175), (475, 173225), (533, 154375), (625, 131651), (779, 105625), (845, 97375), (1025, 80275), (1235, 66625), (1625, 50635), (2375, 34645), (2665, 30875), (3211, 25625), (3895, 21125), (4225, 19475), (5125, 16055), (6175, 13325), (6929, 11875), (8125, 10127)]