64245040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 160114752

約数和(自身を除く): 95869712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 194, 272, 340, 388, 485, 487, 680, 776, 970, 974, 1360, 1552, 1649, 1940, 1948, 2435, 3298, 3880, 3896, 4870, 6596, 7760, 7792, 8245, 8279, 9740, 13192, 16490, 16558, 19480, 26384, 32980, 33116, 38960, 41395, 47239, 65960, 66232, 82790, 94478, 131920, 132464, 165580, 188956, 236195, 331160, 377912, 472390, 662320, 755824, 803063, 944780, 1606126, 1889560, 3212252, 3779120, 4015315, 6424504, 8030630, 12849008, 16061260, 32122520, 64245040]

約数ペア:

[(1, 64245040), (2, 32122520), (4, 16061260), (5, 12849008), (8, 8030630), (10, 6424504), (16, 4015315), (17, 3779120), (20, 3212252), (34, 1889560), (40, 1606126), (68, 944780), (80, 803063), (85, 755824), (97, 662320), (136, 472390), (170, 377912), (194, 331160), (272, 236195), (340, 188956), (388, 165580), (485, 132464), (487, 131920), (680, 94478), (776, 82790), (970, 66232), (974, 65960), (1360, 47239), (1552, 41395), (1649, 38960), (1940, 33116), (1948, 32980), (2435, 26384), (3298, 19480), (3880, 16558), (3896, 16490), (4870, 13192), (6596, 9740), (7760, 8279), (7792, 8245)]