13905040

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2381}}^1$

素因数の和:2467

約数の個数: 40

約数和(自身を含む): 32785848

約数和(自身を除く): 18880808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2381, 2920, 4762, 5840, 9524, 11905, 19048, 23810, 38096, 47620, 95240, 173813, 190480, 347626, 695252, 869065, 1390504, 1738130, 2781008, 3476260, 6952520, 13905040]

約数ペア:

[(1, 13905040), (2, 6952520), (4, 3476260), (5, 2781008), (8, 1738130), (10, 1390504), (16, 869065), (20, 695252), (40, 347626), (73, 190480), (80, 173813), (146, 95240), (292, 47620), (365, 38096), (584, 23810), (730, 19048), (1168, 11905), (1460, 9524), (2381, 5840), (2920, 4762)]