156787202920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1609}}^1\times {\mathrm{59417}}^1$

素因数の和:61078

約数の個数: 64

約数和(自身を含む): 361606064400

約数和(自身を除く): 204818861480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1609, 1640, 3218, 6436, 8045, 12872, 16090, 32180, 59417, 64360, 65969, 118834, 131938, 237668, 263876, 297085, 329845, 475336, 527752, 594170, 659690, 1188340, 1319380, 2376680, 2436097, 2638760, 4872194, 9744388, 12180485, 19488776, 24360970, 48721940, 95601953, 97443880, 191203906, 382407812, 478009765, 764815624, 956019530, 1912039060, 3824078120, 3919680073, 7839360146, 15678720292, 19598400365, 31357440584, 39196800730, 78393601460, 156787202920]

約数ペア:

[(1, 156787202920), (2, 78393601460), (4, 39196800730), (5, 31357440584), (8, 19598400365), (10, 15678720292), (20, 7839360146), (40, 3919680073), (41, 3824078120), (82, 1912039060), (164, 956019530), (205, 764815624), (328, 478009765), (410, 382407812), (820, 191203906), (1609, 97443880), (1640, 95601953), (3218, 48721940), (6436, 24360970), (8045, 19488776), (12872, 12180485), (16090, 9744388), (32180, 4872194), (59417, 2638760), (64360, 2436097), (65969, 2376680), (118834, 1319380), (131938, 1188340), (237668, 659690), (263876, 594170), (297085, 527752), (329845, 475336)]