791238640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1\times {\mathrm{883}}^1$

素因数の和:1406

約数の個数: 80

約数和(自身を含む): 1925733888

約数和(自身を除く): 1134495248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 487, 883, 920, 974, 1766, 1840, 1948, 2435, 3532, 3896, 4415, 4870, 7064, 7792, 8830, 9740, 11201, 14128, 17660, 19480, 20309, 22402, 35320, 38960, 40618, 44804, 56005, 70640, 81236, 89608, 101545, 112010, 162472, 179216, 203090, 224020, 324944, 406180, 430021, 448040, 812360, 860042, 896080, 1624720, 1720084, 2150105, 3440168, 4300210, 6880336, 8600420, 9890483, 17200840, 19780966, 34401680, 39561932, 49452415, 79123864, 98904830, 158247728, 197809660, 395619320, 791238640]

約数ペア:

[(1, 791238640), (2, 395619320), (4, 197809660), (5, 158247728), (8, 98904830), (10, 79123864), (16, 49452415), (20, 39561932), (23, 34401680), (40, 19780966), (46, 17200840), (80, 9890483), (92, 8600420), (115, 6880336), (184, 4300210), (230, 3440168), (368, 2150105), (460, 1720084), (487, 1624720), (883, 896080), (920, 860042), (974, 812360), (1766, 448040), (1840, 430021), (1948, 406180), (2435, 324944), (3532, 224020), (3896, 203090), (4415, 179216), (4870, 162472), (7064, 112010), (7792, 101545), (8830, 89608), (9740, 81236), (11201, 70640), (14128, 56005), (17660, 44804), (19480, 40618), (20309, 38960), (22402, 35320)]