7787260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 17936352

約数和(自身を除く): 10149092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 491, 610, 793, 982, 1220, 1586, 1964, 2455, 3172, 3965, 4910, 6383, 7930, 9820, 12766, 15860, 25532, 29951, 31915, 59902, 63830, 119804, 127660, 149755, 299510, 389363, 599020, 778726, 1557452, 1946815, 3893630, 7787260]

約数ペア:

[(1, 7787260), (2, 3893630), (4, 1946815), (5, 1557452), (10, 778726), (13, 599020), (20, 389363), (26, 299510), (52, 149755), (61, 127660), (65, 119804), (122, 63830), (130, 59902), (244, 31915), (260, 29951), (305, 25532), (491, 15860), (610, 12766), (793, 9820), (982, 7930), (1220, 6383), (1586, 4910), (1964, 3965), (2455, 3172)]