64985960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2659}}^1$

素因数の和:2730

約数の個数: 64

約数和(自身を含む): 160876800

約数和(自身を除く): 95890840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 2659, 3055, 4888, 5318, 6110, 10636, 12220, 13295, 21272, 24440, 26590, 34567, 53180, 69134, 106360, 124973, 138268, 172835, 249946, 276536, 345670, 499892, 624865, 691340, 999784, 1249730, 1382680, 1624649, 2499460, 3249298, 4998920, 6498596, 8123245, 12997192, 16246490, 32492980, 64985960]

約数ペア:

[(1, 64985960), (2, 32492980), (4, 16246490), (5, 12997192), (8, 8123245), (10, 6498596), (13, 4998920), (20, 3249298), (26, 2499460), (40, 1624649), (47, 1382680), (52, 1249730), (65, 999784), (94, 691340), (104, 624865), (130, 499892), (188, 345670), (235, 276536), (260, 249946), (376, 172835), (470, 138268), (520, 124973), (611, 106360), (940, 69134), (1222, 53180), (1880, 34567), (2444, 26590), (2659, 24440), (3055, 21272), (4888, 13295), (5318, 12220), (6110, 10636)]