8156540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:100

約数の個数: 96

約数和(自身を含む): 21168000

約数和(自身を除く): 13011460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 41, 49, 58, 70, 82, 98, 116, 140, 145, 164, 196, 203, 205, 245, 287, 290, 343, 406, 410, 490, 574, 580, 686, 812, 820, 980, 1015, 1148, 1189, 1372, 1421, 1435, 1715, 2009, 2030, 2378, 2842, 2870, 3430, 4018, 4060, 4756, 5684, 5740, 5945, 6860, 7105, 8036, 8323, 9947, 10045, 11890, 14063, 14210, 16646, 19894, 20090, 23780, 28126, 28420, 33292, 39788, 40180, 41615, 49735, 56252, 58261, 70315, 83230, 99470, 116522, 140630, 166460, 198940, 233044, 281260, 291305, 407827, 582610, 815654, 1165220, 1631308, 2039135, 4078270, 8156540]

約数ペア:

[(1, 8156540), (2, 4078270), (4, 2039135), (5, 1631308), (7, 1165220), (10, 815654), (14, 582610), (20, 407827), (28, 291305), (29, 281260), (35, 233044), (41, 198940), (49, 166460), (58, 140630), (70, 116522), (82, 99470), (98, 83230), (116, 70315), (140, 58261), (145, 56252), (164, 49735), (196, 41615), (203, 40180), (205, 39788), (245, 33292), (287, 28420), (290, 28126), (343, 23780), (406, 20090), (410, 19894), (490, 16646), (574, 14210), (580, 14063), (686, 11890), (812, 10045), (820, 9947), (980, 8323), (1015, 8036), (1148, 7105), (1189, 6860), (1372, 5945), (1421, 5740), (1435, 5684), (1715, 4756), (2009, 4060), (2030, 4018), (2378, 3430), (2842, 2870)]