120400640

素因数分解:

$2^8\times 5^1\times {\mathrm{94063}}^1$

素因数の和:94084

約数の個数: 36

約数和(自身を含む): 288400224

約数和(自身を除く): 167999584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 94063, 188126, 376252, 470315, 752504, 940630, 1505008, 1881260, 3010016, 3762520, 6020032, 7525040, 12040064, 15050080, 24080128, 30100160, 60200320, 120400640]

約数ペア:

[(1, 120400640), (2, 60200320), (4, 30100160), (5, 24080128), (8, 15050080), (10, 12040064), (16, 7525040), (20, 6020032), (32, 3762520), (40, 3010016), (64, 1881260), (80, 1505008), (128, 940630), (160, 752504), (256, 470315), (320, 376252), (640, 188126), (1280, 94063)]