25444880

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4357}}^1$

素因数の和:4443

約数の個数: 40

約数和(自身を含む): 59983512

約数和(自身を除く): 34538632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 4357, 5840, 8714, 17428, 21785, 34856, 43570, 69712, 87140, 174280, 318061, 348560, 636122, 1272244, 1590305, 2544488, 3180610, 5088976, 6361220, 12722440, 25444880]

約数ペア:

[(1, 25444880), (2, 12722440), (4, 6361220), (5, 5088976), (8, 3180610), (10, 2544488), (16, 1590305), (20, 1272244), (40, 636122), (73, 348560), (80, 318061), (146, 174280), (292, 87140), (365, 69712), (584, 43570), (730, 34856), (1168, 21785), (1460, 17428), (2920, 8714), (4357, 5840)]