181340680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{34607}}^1$

素因数の和:34749

約数の個数: 32

約数和(自身を含む): 411143040

約数和(自身を除く): 229802360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 34607, 69214, 138428, 173035, 276856, 346070, 692140, 1384280, 4533517, 9067034, 18134068, 22667585, 36268136, 45335170, 90670340, 181340680]

約数ペア:

[(1, 181340680), (2, 90670340), (4, 45335170), (5, 36268136), (8, 22667585), (10, 18134068), (20, 9067034), (40, 4533517), (131, 1384280), (262, 692140), (524, 346070), (655, 276856), (1048, 173035), (1310, 138428), (2620, 69214), (5240, 34607)]