78411680

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11953}}^1$

素因数の和:12009

約数の個数: 48

約数和(自身を含む): 189781704

約数和(自身を除く): 111370024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 11953, 23906, 47812, 59765, 95624, 119530, 191248, 239060, 382496, 478120, 490073, 956240, 980146, 1912480, 1960292, 2450365, 3920584, 4900730, 7841168, 9801460, 15682336, 19602920, 39205840, 78411680]

約数ペア:

[(1, 78411680), (2, 39205840), (4, 19602920), (5, 15682336), (8, 9801460), (10, 7841168), (16, 4900730), (20, 3920584), (32, 2450365), (40, 1960292), (41, 1912480), (80, 980146), (82, 956240), (160, 490073), (164, 478120), (205, 382496), (328, 239060), (410, 191248), (656, 119530), (820, 95624), (1312, 59765), (1640, 47812), (3280, 23906), (6560, 11953)]