28623380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 62403264

約数和(自身を除く): 33779884

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 172, 215, 332, 401, 415, 430, 802, 830, 860, 1604, 1660, 2005, 3569, 4010, 7138, 8020, 14276, 17243, 17845, 33283, 34486, 35690, 66566, 68972, 71380, 86215, 133132, 166415, 172430, 332830, 344860, 665660, 1431169, 2862338, 5724676, 7155845, 14311690, 28623380]

約数ペア:

[(1, 28623380), (2, 14311690), (4, 7155845), (5, 5724676), (10, 2862338), (20, 1431169), (43, 665660), (83, 344860), (86, 332830), (166, 172430), (172, 166415), (215, 133132), (332, 86215), (401, 71380), (415, 68972), (430, 66566), (802, 35690), (830, 34486), (860, 33283), (1604, 17845), (1660, 17243), (2005, 14276), (3569, 8020), (4010, 7138)]