88969840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{65419}}^1$

素因数の和:65449

約数の個数: 40

約数和(自身を含む): 219026160

約数和(自身を除く): 130056320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 65419, 130838, 261676, 327095, 523352, 654190, 1046704, 1112123, 1308380, 2224246, 2616760, 4448492, 5233520, 5560615, 8896984, 11121230, 17793968, 22242460, 44484920, 88969840]

約数ペア:

[(1, 88969840), (2, 44484920), (4, 22242460), (5, 17793968), (8, 11121230), (10, 8896984), (16, 5560615), (17, 5233520), (20, 4448492), (34, 2616760), (40, 2224246), (68, 1308380), (80, 1112123), (85, 1046704), (136, 654190), (170, 523352), (272, 327095), (340, 261676), (680, 130838), (1360, 65419)]