85815080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{727}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 209139840

約数和(自身を除く): 123324760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 227, 260, 454, 520, 727, 908, 1135, 1454, 1816, 2270, 2908, 2951, 3635, 4540, 5816, 5902, 7270, 9080, 9451, 11804, 14540, 14755, 18902, 23608, 29080, 29510, 37804, 47255, 59020, 75608, 94510, 118040, 165029, 189020, 330058, 378040, 660116, 825145, 1320232, 1650290, 2145377, 3300580, 4290754, 6601160, 8581508, 10726885, 17163016, 21453770, 42907540, 85815080]

約数ペア:

[(1, 85815080), (2, 42907540), (4, 21453770), (5, 17163016), (8, 10726885), (10, 8581508), (13, 6601160), (20, 4290754), (26, 3300580), (40, 2145377), (52, 1650290), (65, 1320232), (104, 825145), (130, 660116), (227, 378040), (260, 330058), (454, 189020), (520, 165029), (727, 118040), (908, 94510), (1135, 75608), (1454, 59020), (1816, 47255), (2270, 37804), (2908, 29510), (2951, 29080), (3635, 23608), (4540, 18902), (5816, 14755), (5902, 14540), (7270, 11804), (9080, 9451)]