4039880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 10387440

約数和(自身を除く): 6347560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 457, 520, 680, 884, 914, 1105, 1768, 1828, 2210, 2285, 3656, 4420, 4570, 5941, 7769, 8840, 9140, 11882, 15538, 18280, 23764, 29705, 31076, 38845, 47528, 59410, 62152, 77690, 100997, 118820, 155380, 201994, 237640, 310760, 403988, 504985, 807976, 1009970, 2019940, 4039880]

約数ペア:

[(1, 4039880), (2, 2019940), (4, 1009970), (5, 807976), (8, 504985), (10, 403988), (13, 310760), (17, 237640), (20, 201994), (26, 155380), (34, 118820), (40, 100997), (52, 77690), (65, 62152), (68, 59410), (85, 47528), (104, 38845), (130, 31076), (136, 29705), (170, 23764), (221, 18280), (260, 15538), (340, 11882), (442, 9140), (457, 8840), (520, 7769), (680, 5941), (884, 4570), (914, 4420), (1105, 3656), (1768, 2285), (1828, 2210)]