127788800

素因数分解:

$2^8\times 5^2\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:554

約数の個数: 108

約数和(自身を含む): 324677136

約数和(自身を除く): 196888336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 200, 205, 256, 320, 328, 400, 410, 487, 640, 656, 800, 820, 974, 1025, 1280, 1312, 1600, 1640, 1948, 2050, 2435, 2624, 3200, 3280, 3896, 4100, 4870, 5248, 6400, 6560, 7792, 8200, 9740, 10496, 12175, 13120, 15584, 16400, 19480, 19967, 24350, 26240, 31168, 32800, 38960, 39934, 48700, 52480, 62336, 65600, 77920, 79868, 97400, 99835, 124672, 131200, 155840, 159736, 194800, 199670, 262400, 311680, 319472, 389600, 399340, 499175, 623360, 638944, 779200, 798680, 998350, 1277888, 1558400, 1597360, 1996700, 2555776, 3116800, 3194720, 3993400, 5111552, 6389440, 7986800, 12778880, 15973600, 25557760, 31947200, 63894400, 127788800]

約数ペア:

[(1, 127788800), (2, 63894400), (4, 31947200), (5, 25557760), (8, 15973600), (10, 12778880), (16, 7986800), (20, 6389440), (25, 5111552), (32, 3993400), (40, 3194720), (41, 3116800), (50, 2555776), (64, 1996700), (80, 1597360), (82, 1558400), (100, 1277888), (128, 998350), (160, 798680), (164, 779200), (200, 638944), (205, 623360), (256, 499175), (320, 399340), (328, 389600), (400, 319472), (410, 311680), (487, 262400), (640, 199670), (656, 194800), (800, 159736), (820, 155840), (974, 131200), (1025, 124672), (1280, 99835), (1312, 97400), (1600, 79868), (1640, 77920), (1948, 65600), (2050, 62336), (2435, 52480), (2624, 48700), (3200, 39934), (3280, 38960), (3896, 32800), (4100, 31168), (4870, 26240), (5248, 24350), (6400, 19967), (6560, 19480), (7792, 16400), (8200, 15584), (9740, 13120), (10496, 12175)]