40139648

素因数分解:

$2^7\times {\mathrm{557}}^1\times {\mathrm{563}}^1$

素因数の和:1134

約数の個数: 32

約数和(自身を含む): 80251560

約数和(自身を除く): 40111912

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 557, 563, 1114, 1126, 2228, 2252, 4456, 4504, 8912, 9008, 17824, 18016, 35648, 36032, 71296, 72064, 313591, 627182, 1254364, 2508728, 5017456, 10034912, 20069824, 40139648]

約数ペア:

[(1, 40139648), (2, 20069824), (4, 10034912), (8, 5017456), (16, 2508728), (32, 1254364), (64, 627182), (128, 313591), (557, 72064), (563, 71296), (1114, 36032), (1126, 35648), (2228, 18016), (2252, 17824), (4456, 9008), (4504, 8912)]