38990180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2797}}^1$

素因数の和:2864

約数の個数: 48

約数和(自身を含む): 88842096

約数和(自身を除く): 49851916

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 2797, 3485, 5594, 6970, 11188, 13940, 13985, 27970, 47549, 55940, 95098, 114677, 190196, 229354, 237745, 458708, 475490, 573385, 950980, 1146770, 1949509, 2293540, 3899018, 7798036, 9747545, 19495090, 38990180]

約数ペア:

[(1, 38990180), (2, 19495090), (4, 9747545), (5, 7798036), (10, 3899018), (17, 2293540), (20, 1949509), (34, 1146770), (41, 950980), (68, 573385), (82, 475490), (85, 458708), (164, 237745), (170, 229354), (205, 190196), (340, 114677), (410, 95098), (697, 55940), (820, 47549), (1394, 27970), (2788, 13985), (2797, 13940), (3485, 11188), (5594, 6970)]