31317560

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9433}}^1$

素因数の和:9527

約数の個数: 32

約数和(自身を含む): 71321040

約数和(自身を除く): 40003480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 9433, 18866, 37732, 47165, 75464, 94330, 188660, 377320, 782939, 1565878, 3131756, 3914695, 6263512, 7829390, 15658780, 31317560]

約数ペア:

[(1, 31317560), (2, 15658780), (4, 7829390), (5, 6263512), (8, 3914695), (10, 3131756), (20, 1565878), (40, 782939), (83, 377320), (166, 188660), (332, 94330), (415, 75464), (664, 47165), (830, 37732), (1660, 18866), (3320, 9433)]