12684880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12197}}^1$

素因数の和:12223

約数の個数: 40

約数和(自身を含む): 31763592

約数和(自身を除く): 19078712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12197, 24394, 48788, 60985, 97576, 121970, 158561, 195152, 243940, 317122, 487880, 634244, 792805, 975760, 1268488, 1585610, 2536976, 3171220, 6342440, 12684880]

約数ペア:

[(1, 12684880), (2, 6342440), (4, 3171220), (5, 2536976), (8, 1585610), (10, 1268488), (13, 975760), (16, 792805), (20, 634244), (26, 487880), (40, 317122), (52, 243940), (65, 195152), (80, 158561), (104, 121970), (130, 97576), (208, 60985), (260, 48788), (520, 24394), (1040, 12197)]