40155892

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 88482240

約数和(自身を除く): 48326348

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 49, 76, 82, 98, 133, 164, 196, 263, 266, 287, 526, 532, 574, 779, 931, 1052, 1148, 1558, 1841, 1862, 2009, 3116, 3682, 3724, 4018, 4997, 5453, 7364, 8036, 9994, 10783, 10906, 12887, 19988, 21566, 21812, 25774, 34979, 38171, 43132, 51548, 69958, 75481, 76342, 139916, 150962, 152684, 204877, 244853, 301924, 409754, 489706, 528367, 819508, 979412, 1056734, 1434139, 2113468, 2868278, 5736556, 10038973, 20077946, 40155892]

約数ペア:

[(1, 40155892), (2, 20077946), (4, 10038973), (7, 5736556), (14, 2868278), (19, 2113468), (28, 1434139), (38, 1056734), (41, 979412), (49, 819508), (76, 528367), (82, 489706), (98, 409754), (133, 301924), (164, 244853), (196, 204877), (263, 152684), (266, 150962), (287, 139916), (526, 76342), (532, 75481), (574, 69958), (779, 51548), (931, 43132), (1052, 38171), (1148, 34979), (1558, 25774), (1841, 21812), (1862, 21566), (2009, 19988), (3116, 12887), (3682, 10906), (3724, 10783), (4018, 9994), (4997, 8036), (5453, 7364)]