64535890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{541}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 118632960

約数和(自身を除く): 54097070

約数列:

[1, 2, 5, 10, 79, 151, 158, 302, 395, 541, 755, 790, 1082, 1510, 2705, 5410, 11929, 23858, 42739, 59645, 81691, 85478, 119290, 163382, 213695, 408455, 427390, 816910, 6453589, 12907178, 32267945, 64535890]

約数ペア:

[(1, 64535890), (2, 32267945), (5, 12907178), (10, 6453589), (79, 816910), (151, 427390), (158, 408455), (302, 213695), (395, 163382), (541, 119290), (755, 85478), (790, 81691), (1082, 59645), (1510, 42739), (2705, 23858), (5410, 11929)]