139893520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{134513}}^1$

素因数の和:134539

約数の個数: 40

約数和(自身を含む): 350274456

約数和(自身を除く): 210380936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 134513, 269026, 538052, 672565, 1076104, 1345130, 1748669, 2152208, 2690260, 3497338, 5380520, 6994676, 8743345, 10761040, 13989352, 17486690, 27978704, 34973380, 69946760, 139893520]

約数ペア:

[(1, 139893520), (2, 69946760), (4, 34973380), (5, 27978704), (8, 17486690), (10, 13989352), (13, 10761040), (16, 8743345), (20, 6994676), (26, 5380520), (40, 3497338), (52, 2690260), (65, 2152208), (80, 1748669), (104, 1345130), (130, 1076104), (208, 672565), (260, 538052), (520, 269026), (1040, 134513)]