17968660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 40960080

約数和(自身を除く): 22991420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1289, 1394, 2578, 2788, 3485, 5156, 6445, 6970, 12890, 13940, 21913, 25780, 43826, 52849, 87652, 105698, 109565, 211396, 219130, 264245, 438260, 528490, 898433, 1056980, 1796866, 3593732, 4492165, 8984330, 17968660]

約数ペア:

[(1, 17968660), (2, 8984330), (4, 4492165), (5, 3593732), (10, 1796866), (17, 1056980), (20, 898433), (34, 528490), (41, 438260), (68, 264245), (82, 219130), (85, 211396), (164, 109565), (170, 105698), (205, 87652), (340, 52849), (410, 43826), (697, 25780), (820, 21913), (1289, 13940), (1394, 12890), (2578, 6970), (2788, 6445), (3485, 5156)]