51285520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4483}}^1$

素因数の和:4520

約数の個数: 80

約数和(自身を含む): 140116032

約数和(自身を除く): 88830512

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 4483, 5720, 8966, 11440, 17932, 22415, 35864, 44830, 49313, 58279, 71728, 89660, 98626, 116558, 179320, 197252, 233116, 246565, 291395, 358640, 394504, 466232, 493130, 582790, 641069, 789008, 932464, 986260, 1165580, 1282138, 1972520, 2331160, 2564276, 3205345, 3945040, 4662320, 5128552, 6410690, 10257104, 12821380, 25642760, 51285520]

約数ペア:

[(1, 51285520), (2, 25642760), (4, 12821380), (5, 10257104), (8, 6410690), (10, 5128552), (11, 4662320), (13, 3945040), (16, 3205345), (20, 2564276), (22, 2331160), (26, 1972520), (40, 1282138), (44, 1165580), (52, 986260), (55, 932464), (65, 789008), (80, 641069), (88, 582790), (104, 493130), (110, 466232), (130, 394504), (143, 358640), (176, 291395), (208, 246565), (220, 233116), (260, 197252), (286, 179320), (440, 116558), (520, 98626), (572, 89660), (715, 71728), (880, 58279), (1040, 49313), (1144, 44830), (1430, 35864), (2288, 22415), (2860, 17932), (4483, 11440), (5720, 8966)]