17389880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7127}}^1$

素因数の和:7199

約数の個数: 32

約数和(自身を含む): 39774240

約数和(自身を除く): 22384360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 7127, 14254, 28508, 35635, 57016, 71270, 142540, 285080, 434747, 869494, 1738988, 2173735, 3477976, 4347470, 8694940, 17389880]

約数ペア:

[(1, 17389880), (2, 8694940), (4, 4347470), (5, 3477976), (8, 2173735), (10, 1738988), (20, 869494), (40, 434747), (61, 285080), (122, 142540), (244, 71270), (305, 57016), (488, 35635), (610, 28508), (1220, 14254), (2440, 7127)]