406142080

素因数分解:

$2^7\times 5^1\times {\mathrm{634597}}^1$

素因数の和:634616

約数の個数: 32

約数和(自身を含む): 970934940

約数和(自身を除く): 564792860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 634597, 1269194, 2538388, 3172985, 5076776, 6345970, 10153552, 12691940, 20307104, 25383880, 40614208, 50767760, 81228416, 101535520, 203071040, 406142080]

約数ペア:

[(1, 406142080), (2, 203071040), (4, 101535520), (5, 81228416), (8, 50767760), (10, 40614208), (16, 25383880), (20, 20307104), (32, 12691940), (40, 10153552), (64, 6345970), (80, 5076776), (128, 3172985), (160, 2538388), (320, 1269194), (640, 634597)]