40640560

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6959}}^1$

素因数の和:7045

約数の個数: 40

約数和(自身を含む): 95797440

約数和(自身を除く): 55156880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 6959, 13918, 27836, 34795, 55672, 69590, 111344, 139180, 278360, 508007, 556720, 1016014, 2032028, 2540035, 4064056, 5080070, 8128112, 10160140, 20320280, 40640560]

約数ペア:

[(1, 40640560), (2, 20320280), (4, 10160140), (5, 8128112), (8, 5080070), (10, 4064056), (16, 2540035), (20, 2032028), (40, 1016014), (73, 556720), (80, 508007), (146, 278360), (292, 139180), (365, 111344), (584, 69590), (730, 55672), (1168, 34795), (1460, 27836), (2920, 13918), (5840, 6959)]