40697140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 95721696

約数和(自身を除く): 55024556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 121, 134, 220, 242, 251, 268, 335, 484, 502, 605, 670, 737, 1004, 1210, 1255, 1340, 1474, 2420, 2510, 2761, 2948, 3685, 5020, 5522, 7370, 8107, 11044, 13805, 14740, 16214, 16817, 27610, 30371, 32428, 33634, 40535, 55220, 60742, 67268, 81070, 84085, 121484, 151855, 162140, 168170, 184987, 303710, 336340, 369974, 607420, 739948, 924935, 1849870, 2034857, 3699740, 4069714, 8139428, 10174285, 20348570, 40697140]

約数ペア:

[(1, 40697140), (2, 20348570), (4, 10174285), (5, 8139428), (10, 4069714), (11, 3699740), (20, 2034857), (22, 1849870), (44, 924935), (55, 739948), (67, 607420), (110, 369974), (121, 336340), (134, 303710), (220, 184987), (242, 168170), (251, 162140), (268, 151855), (335, 121484), (484, 84085), (502, 81070), (605, 67268), (670, 60742), (737, 55220), (1004, 40535), (1210, 33634), (1255, 32428), (1340, 30371), (1474, 27610), (2420, 16817), (2510, 16214), (2761, 14740), (2948, 13805), (3685, 11044), (5020, 8107), (5522, 7370)]