12655760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 32539584

約数和(自身を除く): 19883824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 283, 344, 430, 520, 559, 566, 688, 860, 1040, 1118, 1132, 1415, 1720, 2236, 2264, 2795, 2830, 3440, 3679, 4472, 4528, 5590, 5660, 7358, 8944, 11180, 11320, 12169, 14716, 18395, 22360, 22640, 24338, 29432, 36790, 44720, 48676, 58864, 60845, 73580, 97352, 121690, 147160, 158197, 194704, 243380, 294320, 316394, 486760, 632788, 790985, 973520, 1265576, 1581970, 2531152, 3163940, 6327880, 12655760]

約数ペア:

[(1, 12655760), (2, 6327880), (4, 3163940), (5, 2531152), (8, 1581970), (10, 1265576), (13, 973520), (16, 790985), (20, 632788), (26, 486760), (40, 316394), (43, 294320), (52, 243380), (65, 194704), (80, 158197), (86, 147160), (104, 121690), (130, 97352), (172, 73580), (208, 60845), (215, 58864), (260, 48676), (283, 44720), (344, 36790), (430, 29432), (520, 24338), (559, 22640), (566, 22360), (688, 18395), (860, 14716), (1040, 12169), (1118, 11320), (1132, 11180), (1415, 8944), (1720, 7358), (2236, 5660), (2264, 5590), (2795, 4528), (2830, 4472), (3440, 3679)]