8907640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1097}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 23716800

約数和(自身を除く): 14809160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1097, 1160, 1624, 2030, 2194, 4060, 4388, 5485, 7679, 8120, 8776, 10970, 15358, 21940, 30716, 31813, 38395, 43880, 61432, 63626, 76790, 127252, 153580, 159065, 222691, 254504, 307160, 318130, 445382, 636260, 890764, 1113455, 1272520, 1781528, 2226910, 4453820, 8907640]

約数ペア:

[(1, 8907640), (2, 4453820), (4, 2226910), (5, 1781528), (7, 1272520), (8, 1113455), (10, 890764), (14, 636260), (20, 445382), (28, 318130), (29, 307160), (35, 254504), (40, 222691), (56, 159065), (58, 153580), (70, 127252), (116, 76790), (140, 63626), (145, 61432), (203, 43880), (232, 38395), (280, 31813), (290, 30716), (406, 21940), (580, 15358), (812, 10970), (1015, 8776), (1097, 8120), (1160, 7679), (1624, 5485), (2030, 4388), (2194, 4060)]