55980680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199931}}^1$

素因数の和:199949

約数の個数: 32

約数和(自身を含む): 143951040

約数和(自身を除く): 87970360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 199931, 399862, 799724, 999655, 1399517, 1599448, 1999310, 2799034, 3998620, 5598068, 6997585, 7997240, 11196136, 13995170, 27990340, 55980680]

約数ペア:

[(1, 55980680), (2, 27990340), (4, 13995170), (5, 11196136), (7, 7997240), (8, 6997585), (10, 5598068), (14, 3998620), (20, 2799034), (28, 1999310), (35, 1599448), (40, 1399517), (56, 999655), (70, 799724), (140, 399862), (280, 199931)]