40388912

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:461

約数の個数: 40

約数和(自身を含む): 80151120

約数和(自身を除く): 39762208

約数列:

[1, 2, 4, 8, 16, 89, 113, 178, 226, 251, 356, 452, 502, 712, 904, 1004, 1424, 1808, 2008, 4016, 10057, 20114, 22339, 28363, 40228, 44678, 56726, 80456, 89356, 113452, 160912, 178712, 226904, 357424, 453808, 2524307, 5048614, 10097228, 20194456, 40388912]

約数ペア:

[(1, 40388912), (2, 20194456), (4, 10097228), (8, 5048614), (16, 2524307), (89, 453808), (113, 357424), (178, 226904), (226, 178712), (251, 160912), (356, 113452), (452, 89356), (502, 80456), (712, 56726), (904, 44678), (1004, 40228), (1424, 28363), (1808, 22339), (2008, 20114), (4016, 10057)]