86340680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 199584000

約数和(自身を除く): 113243320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 89, 158, 178, 307, 316, 356, 395, 445, 614, 632, 712, 790, 890, 1228, 1535, 1580, 1780, 2456, 3070, 3160, 3560, 6140, 7031, 12280, 14062, 24253, 27323, 28124, 35155, 48506, 54646, 56248, 70310, 97012, 109292, 121265, 136615, 140620, 194024, 218584, 242530, 273230, 281240, 485060, 546460, 970120, 1092920, 2158517, 4317034, 8634068, 10792585, 17268136, 21585170, 43170340, 86340680]

約数ペア:

[(1, 86340680), (2, 43170340), (4, 21585170), (5, 17268136), (8, 10792585), (10, 8634068), (20, 4317034), (40, 2158517), (79, 1092920), (89, 970120), (158, 546460), (178, 485060), (307, 281240), (316, 273230), (356, 242530), (395, 218584), (445, 194024), (614, 140620), (632, 136615), (712, 121265), (790, 109292), (890, 97012), (1228, 70310), (1535, 56248), (1580, 54646), (1780, 48506), (2456, 35155), (3070, 28124), (3160, 27323), (3560, 24253), (6140, 14062), (7031, 12280)]