39896440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 92806560

約数和(自身を除く): 52910120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 83, 122, 166, 197, 244, 305, 332, 394, 415, 488, 610, 664, 788, 830, 985, 1220, 1576, 1660, 1970, 2440, 3320, 3940, 5063, 7880, 10126, 12017, 16351, 20252, 24034, 25315, 32702, 40504, 48068, 50630, 60085, 65404, 81755, 96136, 101260, 120170, 130808, 163510, 202520, 240340, 327020, 480680, 654040, 997411, 1994822, 3989644, 4987055, 7979288, 9974110, 19948220, 39896440]

約数ペア:

[(1, 39896440), (2, 19948220), (4, 9974110), (5, 7979288), (8, 4987055), (10, 3989644), (20, 1994822), (40, 997411), (61, 654040), (83, 480680), (122, 327020), (166, 240340), (197, 202520), (244, 163510), (305, 130808), (332, 120170), (394, 101260), (415, 96136), (488, 81755), (610, 65404), (664, 60085), (788, 50630), (830, 48068), (985, 40504), (1220, 32702), (1576, 25315), (1660, 24034), (1970, 20252), (2440, 16351), (3320, 12017), (3940, 10126), (5063, 7880)]