28408960

素因数分解:

$2^7\times 5^1\times {\mathrm{44389}}^1$

素因数の和:44408

約数の個数: 32

約数和(自身を含む): 67916700

約数和(自身を除く): 39507740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44389, 88778, 177556, 221945, 355112, 443890, 710224, 887780, 1420448, 1775560, 2840896, 3551120, 5681792, 7102240, 14204480, 28408960]

約数ペア:

[(1, 28408960), (2, 14204480), (4, 7102240), (5, 5681792), (8, 3551120), (10, 2840896), (16, 1775560), (20, 1420448), (32, 887780), (40, 710224), (64, 443890), (80, 355112), (128, 221945), (160, 177556), (320, 88778), (640, 44389)]