40468540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3659}}^1$

素因数の和:3754

約数の個数: 48

約数和(自身を含む): 98380800

約数和(自身を除く): 57912260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 3659, 5530, 7318, 11060, 14636, 18295, 25613, 36590, 51226, 73180, 102452, 128065, 256130, 289061, 512260, 578122, 1156244, 1445305, 2023427, 2890610, 4046854, 5781220, 8093708, 10117135, 20234270, 40468540]

約数ペア:

[(1, 40468540), (2, 20234270), (4, 10117135), (5, 8093708), (7, 5781220), (10, 4046854), (14, 2890610), (20, 2023427), (28, 1445305), (35, 1156244), (70, 578122), (79, 512260), (140, 289061), (158, 256130), (316, 128065), (395, 102452), (553, 73180), (790, 51226), (1106, 36590), (1580, 25613), (2212, 18295), (2765, 14636), (3659, 11060), (5530, 7318)]