12493520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 32154192

約数和(自身を除く): 19660672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 293, 328, 410, 520, 533, 586, 656, 820, 1040, 1066, 1172, 1465, 1640, 2132, 2344, 2665, 2930, 3280, 3809, 4264, 4688, 5330, 5860, 7618, 8528, 10660, 11720, 12013, 15236, 19045, 21320, 23440, 24026, 30472, 38090, 42640, 48052, 60065, 60944, 76180, 96104, 120130, 152360, 156169, 192208, 240260, 304720, 312338, 480520, 624676, 780845, 961040, 1249352, 1561690, 2498704, 3123380, 6246760, 12493520]

約数ペア:

[(1, 12493520), (2, 6246760), (4, 3123380), (5, 2498704), (8, 1561690), (10, 1249352), (13, 961040), (16, 780845), (20, 624676), (26, 480520), (40, 312338), (41, 304720), (52, 240260), (65, 192208), (80, 156169), (82, 152360), (104, 120130), (130, 96104), (164, 76180), (205, 60944), (208, 60065), (260, 48052), (293, 42640), (328, 38090), (410, 30472), (520, 24026), (533, 23440), (586, 21320), (656, 19045), (820, 15236), (1040, 12013), (1066, 11720), (1172, 10660), (1465, 8528), (1640, 7618), (2132, 5860), (2344, 5330), (2665, 4688), (2930, 4264), (3280, 3809)]