2025447760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{40639}}^1$

素因数の和:40748

約数の個数: 80

約数和(自身を含む): 5442508800

約数和(自身を除く): 3417061040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 3115, 3560, 4984, 6230, 7120, 9968, 12460, 24920, 40639, 49840, 81278, 162556, 203195, 284473, 325112, 406390, 568946, 650224, 812780, 1137892, 1422365, 1625560, 2275784, 2844730, 3251120, 3616871, 4551568, 5689460, 7233742, 11378920, 14467484, 18084355, 22757840, 25318097, 28934968, 36168710, 50636194, 57869936, 72337420, 101272388, 126590485, 144674840, 202544776, 253180970, 289349680, 405089552, 506361940, 1012723880, 2025447760]

約数ペア:

[(1, 2025447760), (2, 1012723880), (4, 506361940), (5, 405089552), (7, 289349680), (8, 253180970), (10, 202544776), (14, 144674840), (16, 126590485), (20, 101272388), (28, 72337420), (35, 57869936), (40, 50636194), (56, 36168710), (70, 28934968), (80, 25318097), (89, 22757840), (112, 18084355), (140, 14467484), (178, 11378920), (280, 7233742), (356, 5689460), (445, 4551568), (560, 3616871), (623, 3251120), (712, 2844730), (890, 2275784), (1246, 1625560), (1424, 1422365), (1780, 1137892), (2492, 812780), (3115, 650224), (3560, 568946), (4984, 406390), (6230, 325112), (7120, 284473), (9968, 203195), (12460, 162556), (24920, 81278), (40639, 49840)]