40004999996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{839}}^1\times {\mathrm{1327}}^1$

素因数の和:2874

約数の個数: 48

約数和(自身を含む): 75650104320

約数和(自身を除く): 35645104324

約数列:

[1, 2, 4, 13, 26, 52, 691, 839, 1327, 1382, 1678, 2654, 2764, 3356, 5308, 8983, 10907, 17251, 17966, 21814, 34502, 35932, 43628, 69004, 579749, 916957, 1113353, 1159498, 1833914, 2226706, 2318996, 3667828, 4453412, 7536737, 11920441, 14473589, 15073474, 23840882, 28947178, 30146948, 47681764, 57894356, 769326923, 1538653846, 3077307692, 10001249999, 20002499998, 40004999996]

約数ペア:

[(1, 40004999996), (2, 20002499998), (4, 10001249999), (13, 3077307692), (26, 1538653846), (52, 769326923), (691, 57894356), (839, 47681764), (1327, 30146948), (1382, 28947178), (1678, 23840882), (2654, 15073474), (2764, 14473589), (3356, 11920441), (5308, 7536737), (8983, 4453412), (10907, 3667828), (17251, 2318996), (17966, 2226706), (21814, 1833914), (34502, 1159498), (35932, 1113353), (43628, 916957), (69004, 579749)]