40464590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 82114560

約数和(自身を除く): 41649970

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 79, 85, 115, 131, 158, 170, 230, 262, 391, 395, 655, 782, 790, 1310, 1343, 1817, 1955, 2227, 2686, 3013, 3634, 3910, 4454, 6026, 6715, 9085, 10349, 11135, 13430, 15065, 18170, 20698, 22270, 30130, 30889, 51221, 51745, 61778, 102442, 103490, 154445, 175933, 238027, 256105, 308890, 351866, 476054, 512210, 879665, 1190135, 1759330, 2380270, 4046459, 8092918, 20232295, 40464590]

約数ペア:

[(1, 40464590), (2, 20232295), (5, 8092918), (10, 4046459), (17, 2380270), (23, 1759330), (34, 1190135), (46, 879665), (79, 512210), (85, 476054), (115, 351866), (131, 308890), (158, 256105), (170, 238027), (230, 175933), (262, 154445), (391, 103490), (395, 102442), (655, 61778), (782, 51745), (790, 51221), (1310, 30889), (1343, 30130), (1817, 22270), (1955, 20698), (2227, 18170), (2686, 15065), (3013, 13430), (3634, 11135), (3910, 10349), (4454, 9085), (6026, 6715)]