40656928

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5749}}^1$

素因数の和:5789

約数の個数: 48

約数和(自身を含む): 91287000

約数和(自身を除く): 50630072

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 3536, 5749, 7072, 11498, 22996, 45992, 74737, 91984, 97733, 149474, 183968, 195466, 298948, 390932, 597896, 781864, 1195792, 1270529, 1563728, 2391584, 2541058, 3127456, 5082116, 10164232, 20328464, 40656928]

約数ペア:

[(1, 40656928), (2, 20328464), (4, 10164232), (8, 5082116), (13, 3127456), (16, 2541058), (17, 2391584), (26, 1563728), (32, 1270529), (34, 1195792), (52, 781864), (68, 597896), (104, 390932), (136, 298948), (208, 195466), (221, 183968), (272, 149474), (416, 97733), (442, 91984), (544, 74737), (884, 45992), (1768, 22996), (3536, 11498), (5749, 7072)]