1021000625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:843

約数の個数: 40

約数和(自身を含む): 1355566080

約数和(自身を除く): 334565455

約数列:

[1, 5, 19, 25, 95, 125, 127, 475, 625, 635, 677, 2375, 2413, 3175, 3385, 11875, 12065, 12863, 15875, 16925, 60325, 64315, 79375, 84625, 85979, 301625, 321575, 423125, 429895, 1508125, 1607875, 1633601, 2149475, 8039375, 8168005, 10747375, 40840025, 53736875, 204200125, 1021000625]

約数ペア:

[(1, 1021000625), (5, 204200125), (19, 53736875), (25, 40840025), (95, 10747375), (125, 8168005), (127, 8039375), (475, 2149475), (625, 1633601), (635, 1607875), (677, 1508125), (2375, 429895), (2413, 423125), (3175, 321575), (3385, 301625), (11875, 85979), (12065, 84625), (12863, 79375), (15875, 64315), (16925, 60325)]