4080680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{353}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 9781020

約数和(自身を除く): 5700340

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 353, 578, 680, 706, 1156, 1412, 1445, 1765, 2312, 2824, 2890, 3530, 5780, 6001, 7060, 11560, 12002, 14120, 24004, 30005, 48008, 60010, 102017, 120020, 204034, 240040, 408068, 510085, 816136, 1020170, 2040340, 4080680]

約数ペア:

[(1, 4080680), (2, 2040340), (4, 1020170), (5, 816136), (8, 510085), (10, 408068), (17, 240040), (20, 204034), (34, 120020), (40, 102017), (68, 60010), (85, 48008), (136, 30005), (170, 24004), (289, 14120), (340, 12002), (353, 11560), (578, 7060), (680, 6001), (706, 5780), (1156, 3530), (1412, 2890), (1445, 2824), (1765, 2312)]