245655280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{236207}}^1$

素因数の和:236233

約数の個数: 40

約数和(自身を含む): 615085632

約数和(自身を除く): 369430352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 236207, 472414, 944828, 1181035, 1889656, 2362070, 3070691, 3779312, 4724140, 6141382, 9448280, 12282764, 15353455, 18896560, 24565528, 30706910, 49131056, 61413820, 122827640, 245655280]

約数ペア:

[(1, 245655280), (2, 122827640), (4, 61413820), (5, 49131056), (8, 30706910), (10, 24565528), (13, 18896560), (16, 15353455), (20, 12282764), (26, 9448280), (40, 6141382), (52, 4724140), (65, 3779312), (80, 3070691), (104, 2362070), (130, 1889656), (208, 1181035), (260, 944828), (520, 472414), (1040, 236207)]