19520625

素因数分解:

$3^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:411

約数の個数: 40

約数和(自身を含む): 33739200

約数和(自身を除く): 14218575

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 359, 375, 435, 625, 725, 1077, 1795, 1875, 2175, 3625, 5385, 8975, 10411, 10875, 18125, 26925, 31233, 44875, 52055, 54375, 134625, 156165, 224375, 260275, 673125, 780825, 1301375, 3904125, 6506875, 19520625]

約数ペア:

[(1, 19520625), (3, 6506875), (5, 3904125), (15, 1301375), (25, 780825), (29, 673125), (75, 260275), (87, 224375), (125, 156165), (145, 134625), (359, 54375), (375, 52055), (435, 44875), (625, 31233), (725, 26925), (1077, 18125), (1795, 10875), (1875, 10411), (2175, 8975), (3625, 5385)]