887931760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{21061}}^1$

素因数の和:21122

約数の個数: 80

約数和(自身を含む): 2256498432

約数和(自身を除く): 1368566672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 8432, 10540, 21061, 21080, 42122, 42160, 84244, 105305, 168488, 210610, 336976, 358037, 421220, 652891, 716074, 842440, 1305782, 1432148, 1684880, 1790185, 2611564, 2864296, 3264455, 3580370, 5223128, 5728592, 6528910, 7160740, 10446256, 11099147, 13057820, 14321480, 22198294, 26115640, 28642960, 44396588, 52231280, 55495735, 88793176, 110991470, 177586352, 221982940, 443965880, 887931760]

約数ペア:

[(1, 887931760), (2, 443965880), (4, 221982940), (5, 177586352), (8, 110991470), (10, 88793176), (16, 55495735), (17, 52231280), (20, 44396588), (31, 28642960), (34, 26115640), (40, 22198294), (62, 14321480), (68, 13057820), (80, 11099147), (85, 10446256), (124, 7160740), (136, 6528910), (155, 5728592), (170, 5223128), (248, 3580370), (272, 3264455), (310, 2864296), (340, 2611564), (496, 1790185), (527, 1684880), (620, 1432148), (680, 1305782), (1054, 842440), (1240, 716074), (1360, 652891), (2108, 421220), (2480, 358037), (2635, 336976), (4216, 210610), (5270, 168488), (8432, 105305), (10540, 84244), (21061, 42160), (21080, 42122)]