40456960

素因数分解:

$2^8\times 5^1\times {\mathrm{31607}}^1$

素因数の和:31628

約数の個数: 36

約数和(自身を含む): 96910128

約数和(自身を除く): 56453168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 31607, 63214, 126428, 158035, 252856, 316070, 505712, 632140, 1011424, 1264280, 2022848, 2528560, 4045696, 5057120, 8091392, 10114240, 20228480, 40456960]

約数ペア:

[(1, 40456960), (2, 20228480), (4, 10114240), (5, 8091392), (8, 5057120), (10, 4045696), (16, 2528560), (20, 2022848), (32, 1264280), (40, 1011424), (64, 632140), (80, 505712), (128, 316070), (160, 252856), (256, 158035), (320, 126428), (640, 63214), (1280, 31607)]