40961120

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3821}}^1$

素因数の和:3903

約数の個数: 48

約数和(自身を含む): 98240688

約数和(自身を除く): 57279568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2680, 3821, 5360, 7642, 10720, 15284, 19105, 30568, 38210, 61136, 76420, 122272, 152840, 256007, 305680, 512014, 611360, 1024028, 1280035, 2048056, 2560070, 4096112, 5120140, 8192224, 10240280, 20480560, 40961120]

約数ペア:

[(1, 40961120), (2, 20480560), (4, 10240280), (5, 8192224), (8, 5120140), (10, 4096112), (16, 2560070), (20, 2048056), (32, 1280035), (40, 1024028), (67, 611360), (80, 512014), (134, 305680), (160, 256007), (268, 152840), (335, 122272), (536, 76420), (670, 61136), (1072, 38210), (1340, 30568), (2144, 19105), (2680, 15284), (3821, 10720), (5360, 7642)]