25311520

素因数分解:

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

素因数の和:354

約数の個数: 96

約数和(自身を含む): 66128832

約数和(自身を除く): 40817312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 283, 344, 416, 430, 520, 559, 566, 688, 860, 1040, 1118, 1132, 1376, 1415, 1720, 2080, 2236, 2264, 2795, 2830, 3440, 3679, 4472, 4528, 5590, 5660, 6880, 7358, 8944, 9056, 11180, 11320, 12169, 14716, 17888, 18395, 22360, 22640, 24338, 29432, 36790, 44720, 45280, 48676, 58864, 60845, 73580, 89440, 97352, 117728, 121690, 147160, 158197, 194704, 243380, 294320, 316394, 389408, 486760, 588640, 632788, 790985, 973520, 1265576, 1581970, 1947040, 2531152, 3163940, 5062304, 6327880, 12655760, 25311520]

約数ペア:

[(1, 25311520), (2, 12655760), (4, 6327880), (5, 5062304), (8, 3163940), (10, 2531152), (13, 1947040), (16, 1581970), (20, 1265576), (26, 973520), (32, 790985), (40, 632788), (43, 588640), (52, 486760), (65, 389408), (80, 316394), (86, 294320), (104, 243380), (130, 194704), (160, 158197), (172, 147160), (208, 121690), (215, 117728), (260, 97352), (283, 89440), (344, 73580), (416, 60845), (430, 58864), (520, 48676), (559, 45280), (566, 44720), (688, 36790), (860, 29432), (1040, 24338), (1118, 22640), (1132, 22360), (1376, 18395), (1415, 17888), (1720, 14716), (2080, 12169), (2236, 11320), (2264, 11180), (2795, 9056), (2830, 8944), (3440, 7358), (3679, 6880), (4472, 5660), (4528, 5590)]