40460290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 80044200

約数和(自身を除く): 39583910

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 169, 178, 269, 338, 445, 538, 845, 890, 1157, 1345, 1690, 2314, 2690, 3497, 5785, 6994, 11570, 15041, 17485, 23941, 30082, 34970, 45461, 47882, 75205, 90922, 119705, 150410, 227305, 239410, 311233, 454610, 622466, 1556165, 3112330, 4046029, 8092058, 20230145, 40460290]

約数ペア:

[(1, 40460290), (2, 20230145), (5, 8092058), (10, 4046029), (13, 3112330), (26, 1556165), (65, 622466), (89, 454610), (130, 311233), (169, 239410), (178, 227305), (269, 150410), (338, 119705), (445, 90922), (538, 75205), (845, 47882), (890, 45461), (1157, 34970), (1345, 30082), (1690, 23941), (2314, 17485), (2690, 15041), (3497, 11570), (5785, 6994)]