27900910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4003}}^1$

素因数の和:4068

約数の個数: 32

約数和(自身を含む): 54486432

約数和(自身を除く): 26585522

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 4003, 6970, 8006, 20015, 40030, 68051, 136102, 164123, 328246, 340255, 680510, 820615, 1641230, 2790091, 5580182, 13950455, 27900910]

約数ペア:

[(1, 27900910), (2, 13950455), (5, 5580182), (10, 2790091), (17, 1641230), (34, 820615), (41, 680510), (82, 340255), (85, 328246), (170, 164123), (205, 136102), (410, 68051), (697, 40030), (1394, 20015), (3485, 8006), (4003, 6970)]