12837920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 33022080

約数和(自身を除く): 20184160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 76, 80, 82, 95, 103, 152, 160, 164, 190, 205, 206, 304, 328, 380, 410, 412, 515, 608, 656, 760, 779, 820, 824, 1030, 1312, 1520, 1558, 1640, 1648, 1957, 2060, 3040, 3116, 3280, 3296, 3895, 3914, 4120, 4223, 6232, 6560, 7790, 7828, 8240, 8446, 9785, 12464, 15580, 15656, 16480, 16892, 19570, 21115, 24928, 31160, 31312, 33784, 39140, 42230, 62320, 62624, 67568, 78280, 80237, 84460, 124640, 135136, 156560, 160474, 168920, 313120, 320948, 337840, 401185, 641896, 675680, 802370, 1283792, 1604740, 2567584, 3209480, 6418960, 12837920]

約数ペア:

[(1, 12837920), (2, 6418960), (4, 3209480), (5, 2567584), (8, 1604740), (10, 1283792), (16, 802370), (19, 675680), (20, 641896), (32, 401185), (38, 337840), (40, 320948), (41, 313120), (76, 168920), (80, 160474), (82, 156560), (95, 135136), (103, 124640), (152, 84460), (160, 80237), (164, 78280), (190, 67568), (205, 62624), (206, 62320), (304, 42230), (328, 39140), (380, 33784), (410, 31312), (412, 31160), (515, 24928), (608, 21115), (656, 19570), (760, 16892), (779, 16480), (820, 15656), (824, 15580), (1030, 12464), (1312, 9785), (1520, 8446), (1558, 8240), (1640, 7828), (1648, 7790), (1957, 6560), (2060, 6232), (3040, 4223), (3116, 4120), (3280, 3914), (3296, 3895)]