501680920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{23531}}^1$

素因数の和:23596

約数の個数: 64

約数和(自身を含む): 1245313440

約数和(自身を除く): 743632520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4264, 5330, 10660, 21320, 23531, 47062, 94124, 117655, 188248, 235310, 305903, 470620, 611806, 941240, 964771, 1223612, 1529515, 1929542, 2447224, 3059030, 3859084, 4823855, 6118060, 7718168, 9647710, 12236120, 12542023, 19295420, 25084046, 38590840, 50168092, 62710115, 100336184, 125420230, 250840460, 501680920]

約数ペア:

[(1, 501680920), (2, 250840460), (4, 125420230), (5, 100336184), (8, 62710115), (10, 50168092), (13, 38590840), (20, 25084046), (26, 19295420), (40, 12542023), (41, 12236120), (52, 9647710), (65, 7718168), (82, 6118060), (104, 4823855), (130, 3859084), (164, 3059030), (205, 2447224), (260, 1929542), (328, 1529515), (410, 1223612), (520, 964771), (533, 941240), (820, 611806), (1066, 470620), (1640, 305903), (2132, 235310), (2665, 188248), (4264, 117655), (5330, 94124), (10660, 47062), (21320, 23531)]