513879560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4993}}^1$

素因数の和:5118

約数の個数: 64

約数和(自身を含む): 1208148480

約数和(自身を除く): 694268920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 664, 830, 1240, 1660, 2573, 3320, 4993, 5146, 9986, 10292, 12865, 19972, 20584, 24965, 25730, 39944, 49930, 51460, 99860, 102920, 154783, 199720, 309566, 414419, 619132, 773915, 828838, 1238264, 1547830, 1657676, 2072095, 3095660, 3315352, 4144190, 6191320, 8288380, 12846989, 16576760, 25693978, 51387956, 64234945, 102775912, 128469890, 256939780, 513879560]

約数ペア:

[(1, 513879560), (2, 256939780), (4, 128469890), (5, 102775912), (8, 64234945), (10, 51387956), (20, 25693978), (31, 16576760), (40, 12846989), (62, 8288380), (83, 6191320), (124, 4144190), (155, 3315352), (166, 3095660), (248, 2072095), (310, 1657676), (332, 1547830), (415, 1238264), (620, 828838), (664, 773915), (830, 619132), (1240, 414419), (1660, 309566), (2573, 199720), (3320, 154783), (4993, 102920), (5146, 99860), (9986, 51460), (10292, 49930), (12865, 39944), (19972, 25730), (20584, 24965)]