11875480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 28212480

約数和(自身を除く): 16337000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 157, 244, 248, 305, 310, 314, 488, 610, 620, 628, 785, 1220, 1240, 1256, 1570, 1891, 2440, 3140, 3782, 4867, 6280, 7564, 9455, 9577, 9734, 15128, 18910, 19154, 19468, 24335, 37820, 38308, 38936, 47885, 48670, 75640, 76616, 95770, 97340, 191540, 194680, 296887, 383080, 593774, 1187548, 1484435, 2375096, 2968870, 5937740, 11875480]

約数ペア:

[(1, 11875480), (2, 5937740), (4, 2968870), (5, 2375096), (8, 1484435), (10, 1187548), (20, 593774), (31, 383080), (40, 296887), (61, 194680), (62, 191540), (122, 97340), (124, 95770), (155, 76616), (157, 75640), (244, 48670), (248, 47885), (305, 38936), (310, 38308), (314, 37820), (488, 24335), (610, 19468), (620, 19154), (628, 18910), (785, 15128), (1220, 9734), (1240, 9577), (1256, 9455), (1570, 7564), (1891, 6280), (2440, 4867), (3140, 3782)]