18558800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 49725984

約数和(自身を除く): 31167184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 43, 50, 52, 65, 80, 83, 86, 100, 104, 130, 166, 172, 200, 208, 215, 260, 325, 332, 344, 400, 415, 430, 520, 559, 650, 664, 688, 830, 860, 1040, 1075, 1079, 1118, 1300, 1328, 1660, 1720, 2075, 2150, 2158, 2236, 2600, 2795, 3320, 3440, 3569, 4150, 4300, 4316, 4472, 5200, 5395, 5590, 6640, 7138, 8300, 8600, 8632, 8944, 10790, 11180, 13975, 14276, 16600, 17200, 17264, 17845, 21580, 22360, 26975, 27950, 28552, 33200, 35690, 43160, 44720, 46397, 53950, 55900, 57104, 71380, 86320, 89225, 92794, 107900, 111800, 142760, 178450, 185588, 215800, 223600, 231985, 285520, 356900, 371176, 431600, 463970, 713800, 742352, 927940, 1159925, 1427600, 1855880, 2319850, 3711760, 4639700, 9279400, 18558800]

約数ペア:

[(1, 18558800), (2, 9279400), (4, 4639700), (5, 3711760), (8, 2319850), (10, 1855880), (13, 1427600), (16, 1159925), (20, 927940), (25, 742352), (26, 713800), (40, 463970), (43, 431600), (50, 371176), (52, 356900), (65, 285520), (80, 231985), (83, 223600), (86, 215800), (100, 185588), (104, 178450), (130, 142760), (166, 111800), (172, 107900), (200, 92794), (208, 89225), (215, 86320), (260, 71380), (325, 57104), (332, 55900), (344, 53950), (400, 46397), (415, 44720), (430, 43160), (520, 35690), (559, 33200), (650, 28552), (664, 27950), (688, 26975), (830, 22360), (860, 21580), (1040, 17845), (1075, 17264), (1079, 17200), (1118, 16600), (1300, 14276), (1328, 13975), (1660, 11180), (1720, 10790), (2075, 8944), (2150, 8632), (2158, 8600), (2236, 8300), (2600, 7138), (2795, 6640), (3320, 5590), (3440, 5395), (3569, 5200), (4150, 4472), (4300, 4316)]