7288840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 17962560

約数和(自身を除く): 10673720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 131, 214, 260, 262, 428, 520, 524, 535, 655, 856, 1048, 1070, 1310, 1391, 1703, 2140, 2620, 2782, 3406, 4280, 5240, 5564, 6812, 6955, 8515, 11128, 13624, 13910, 14017, 17030, 27820, 28034, 34060, 55640, 56068, 68120, 70085, 112136, 140170, 182221, 280340, 364442, 560680, 728884, 911105, 1457768, 1822210, 3644420, 7288840]

約数ペア:

[(1, 7288840), (2, 3644420), (4, 1822210), (5, 1457768), (8, 911105), (10, 728884), (13, 560680), (20, 364442), (26, 280340), (40, 182221), (52, 140170), (65, 112136), (104, 70085), (107, 68120), (130, 56068), (131, 55640), (214, 34060), (260, 28034), (262, 27820), (428, 17030), (520, 14017), (524, 13910), (535, 13624), (655, 11128), (856, 8515), (1048, 6955), (1070, 6812), (1310, 5564), (1391, 5240), (1703, 4280), (2140, 3406), (2620, 2782)]