20049271280

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1\times {\mathrm{5879}}^1$

素因数の和:6846

約数の個数: 80

約数和(自身を含む): 47666949120

約数和(自身を除く): 27617677840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 907, 940, 1814, 1880, 3628, 3760, 4535, 5879, 7256, 9070, 11758, 14512, 18140, 23516, 29395, 36280, 42629, 47032, 58790, 72560, 85258, 94064, 117580, 170516, 213145, 235160, 276313, 341032, 426290, 470320, 552626, 682064, 852580, 1105252, 1381565, 1705160, 2210504, 2763130, 3410320, 4421008, 5332253, 5526260, 10664506, 11052520, 21329012, 22105040, 26661265, 42658024, 53322530, 85316048, 106645060, 213290120, 250615891, 426580240, 501231782, 1002463564, 1253079455, 2004927128, 2506158910, 4009854256, 5012317820, 10024635640, 20049271280]

約数ペア:

[(1, 20049271280), (2, 10024635640), (4, 5012317820), (5, 4009854256), (8, 2506158910), (10, 2004927128), (16, 1253079455), (20, 1002463564), (40, 501231782), (47, 426580240), (80, 250615891), (94, 213290120), (188, 106645060), (235, 85316048), (376, 53322530), (470, 42658024), (752, 26661265), (907, 22105040), (940, 21329012), (1814, 11052520), (1880, 10664506), (3628, 5526260), (3760, 5332253), (4535, 4421008), (5879, 3410320), (7256, 2763130), (9070, 2210504), (11758, 1705160), (14512, 1381565), (18140, 1105252), (23516, 852580), (29395, 682064), (36280, 552626), (42629, 470320), (47032, 426290), (58790, 341032), (72560, 276313), (85258, 235160), (94064, 213145), (117580, 170516)]