27897680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 69866064

約数和(自身を除く): 41968384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 73, 80, 85, 136, 146, 170, 272, 281, 292, 340, 365, 562, 584, 680, 730, 1124, 1168, 1241, 1360, 1405, 1460, 2248, 2482, 2810, 2920, 4496, 4777, 4964, 5620, 5840, 6205, 9554, 9928, 11240, 12410, 19108, 19856, 20513, 22480, 23885, 24820, 38216, 41026, 47770, 49640, 76432, 82052, 95540, 99280, 102565, 164104, 191080, 205130, 328208, 348721, 382160, 410260, 697442, 820520, 1394884, 1641040, 1743605, 2789768, 3487210, 5579536, 6974420, 13948840, 27897680]

約数ペア:

[(1, 27897680), (2, 13948840), (4, 6974420), (5, 5579536), (8, 3487210), (10, 2789768), (16, 1743605), (17, 1641040), (20, 1394884), (34, 820520), (40, 697442), (68, 410260), (73, 382160), (80, 348721), (85, 328208), (136, 205130), (146, 191080), (170, 164104), (272, 102565), (281, 99280), (292, 95540), (340, 82052), (365, 76432), (562, 49640), (584, 47770), (680, 41026), (730, 38216), (1124, 24820), (1168, 23885), (1241, 22480), (1360, 20513), (1405, 19856), (1460, 19108), (2248, 12410), (2482, 11240), (2810, 9928), (2920, 9554), (4496, 6205), (4777, 5840), (4964, 5620)]