24998480

素因数分解:

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

素因数の和:125

約数の個数: 90

約数和(自身を含む): 64433934

約数和(自身を除く): 39435454

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 169, 172, 208, 215, 260, 338, 344, 430, 520, 559, 676, 688, 845, 860, 1040, 1118, 1352, 1690, 1720, 1849, 2236, 2704, 2795, 3380, 3440, 3698, 4472, 5590, 6760, 7267, 7396, 8944, 9245, 11180, 13520, 14534, 14792, 18490, 22360, 24037, 29068, 29584, 36335, 36980, 44720, 48074, 58136, 72670, 73960, 96148, 116272, 120185, 145340, 147920, 192296, 240370, 290680, 312481, 384592, 480740, 581360, 624962, 961480, 1249924, 1562405, 1922960, 2499848, 3124810, 4999696, 6249620, 12499240, 24998480]

約数ペア:

[(1, 24998480), (2, 12499240), (4, 6249620), (5, 4999696), (8, 3124810), (10, 2499848), (13, 1922960), (16, 1562405), (20, 1249924), (26, 961480), (40, 624962), (43, 581360), (52, 480740), (65, 384592), (80, 312481), (86, 290680), (104, 240370), (130, 192296), (169, 147920), (172, 145340), (208, 120185), (215, 116272), (260, 96148), (338, 73960), (344, 72670), (430, 58136), (520, 48074), (559, 44720), (676, 36980), (688, 36335), (845, 29584), (860, 29068), (1040, 24037), (1118, 22360), (1352, 18490), (1690, 14792), (1720, 14534), (1849, 13520), (2236, 11180), (2704, 9245), (2795, 8944), (3380, 7396), (3440, 7267), (3698, 6760), (4472, 5590)]