41990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:56

約数の個数: 32

約数和(自身を含む): 90720

約数和(自身を除く): 48730

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1615, 2210, 2470, 3230, 4199, 8398, 20995, 41990]

約数ペア:

[(1, 41990), (2, 20995), (5, 8398), (10, 4199), (13, 3230), (17, 2470), (19, 2210), (26, 1615), (34, 1235), (38, 1105), (65, 646), (85, 494), (95, 442), (130, 323), (170, 247), (190, 221)]