11279320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 27720000

約数和(自身を除く): 16440680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 199, 218, 260, 398, 436, 520, 545, 796, 872, 995, 1090, 1417, 1592, 1990, 2180, 2587, 2834, 3980, 4360, 5174, 5668, 7085, 7960, 10348, 11336, 12935, 14170, 20696, 21691, 25870, 28340, 43382, 51740, 56680, 86764, 103480, 108455, 173528, 216910, 281983, 433820, 563966, 867640, 1127932, 1409915, 2255864, 2819830, 5639660, 11279320]

約数ペア:

[(1, 11279320), (2, 5639660), (4, 2819830), (5, 2255864), (8, 1409915), (10, 1127932), (13, 867640), (20, 563966), (26, 433820), (40, 281983), (52, 216910), (65, 173528), (104, 108455), (109, 103480), (130, 86764), (199, 56680), (218, 51740), (260, 43382), (398, 28340), (436, 25870), (520, 21691), (545, 20696), (796, 14170), (872, 12935), (995, 11336), (1090, 10348), (1417, 7960), (1592, 7085), (1990, 5668), (2180, 5174), (2587, 4360), (2834, 3980)]