7148240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8123}}^1$

素因数の和:8147

約数の個数: 40

約数和(自身を含む): 18132768

約数和(自身を除く): 10984528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 8123, 16246, 32492, 40615, 64984, 81230, 89353, 129968, 162460, 178706, 324920, 357412, 446765, 649840, 714824, 893530, 1429648, 1787060, 3574120, 7148240]

約数ペア:

[(1, 7148240), (2, 3574120), (4, 1787060), (5, 1429648), (8, 893530), (10, 714824), (11, 649840), (16, 446765), (20, 357412), (22, 324920), (40, 178706), (44, 162460), (55, 129968), (80, 89353), (88, 81230), (110, 64984), (176, 40615), (220, 32492), (440, 16246), (880, 8123)]