17680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:43

約数の個数: 40

約数和(自身を含む): 46872

約数和(自身を除く): 29192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680]

約数ペア:

[(1, 17680), (2, 8840), (4, 4420), (5, 3536), (8, 2210), (10, 1768), (13, 1360), (16, 1105), (17, 1040), (20, 884), (26, 680), (34, 520), (40, 442), (52, 340), (65, 272), (68, 260), (80, 221), (85, 208), (104, 170), (130, 136)]