18243670160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3738457}}^1$

素因数の和:3738531

約数の個数: 40

約数和(自身を含む): 43111897656

約数和(自身を除く): 24868227496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 3738457, 7476914, 14953828, 18692285, 29907656, 37384570, 59815312, 74769140, 149538280, 228045877, 299076560, 456091754, 912183508, 1140229385, 1824367016, 2280458770, 3648734032, 4560917540, 9121835080, 18243670160]

約数ペア:

[(1, 18243670160), (2, 9121835080), (4, 4560917540), (5, 3648734032), (8, 2280458770), (10, 1824367016), (16, 1140229385), (20, 912183508), (40, 456091754), (61, 299076560), (80, 228045877), (122, 149538280), (244, 74769140), (305, 59815312), (488, 37384570), (610, 29907656), (976, 18692285), (1220, 14953828), (2440, 7476914), (4880, 3738457)]