77258740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1823}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 175891968

約数和(自身を除く): 98633228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 652, 815, 1630, 1823, 2119, 3260, 3646, 4238, 7292, 8476, 9115, 10595, 18230, 21190, 23699, 36460, 42380, 47398, 94796, 118495, 236990, 297149, 473980, 594298, 1188596, 1485745, 2971490, 3862937, 5942980, 7725874, 15451748, 19314685, 38629370, 77258740]

約数ペア:

[(1, 77258740), (2, 38629370), (4, 19314685), (5, 15451748), (10, 7725874), (13, 5942980), (20, 3862937), (26, 2971490), (52, 1485745), (65, 1188596), (130, 594298), (163, 473980), (260, 297149), (326, 236990), (652, 118495), (815, 94796), (1630, 47398), (1823, 42380), (2119, 36460), (3260, 23699), (3646, 21190), (4238, 18230), (7292, 10595), (8476, 9115)]