70388980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{42403}}^1$

素因数の和:42495

約数の個数: 24

約数和(自身を含む): 149601312

約数和(自身を除く): 79212332

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 42403, 84806, 169612, 212015, 424030, 848060, 3519449, 7038898, 14077796, 17597245, 35194490, 70388980]

約数ペア:

[(1, 70388980), (2, 35194490), (4, 17597245), (5, 14077796), (10, 7038898), (20, 3519449), (83, 848060), (166, 424030), (332, 212015), (415, 169612), (830, 84806), (1660, 42403)]