475280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:483

約数の個数: 40

約数和(自身を含む): 1192632

約数和(自身を除く): 717352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 457, 520, 914, 1040, 1828, 2285, 3656, 4570, 5941, 7312, 9140, 11882, 18280, 23764, 29705, 36560, 47528, 59410, 95056, 118820, 237640, 475280]

約数ペア:

[(1, 475280), (2, 237640), (4, 118820), (5, 95056), (8, 59410), (10, 47528), (13, 36560), (16, 29705), (20, 23764), (26, 18280), (40, 11882), (52, 9140), (65, 7312), (80, 5941), (104, 4570), (130, 3656), (208, 2285), (260, 1828), (457, 1040), (520, 914)]