216930760

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{41399}}^1$

素因数の和:41541

約数の個数: 32

約数和(自身を含む): 491832000

約数和(自身を除く): 274901240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 41399, 82798, 165596, 206995, 331192, 413990, 827980, 1655960, 5423269, 10846538, 21693076, 27116345, 43386152, 54232690, 108465380, 216930760]

約数ペア:

[(1, 216930760), (2, 108465380), (4, 54232690), (5, 43386152), (8, 27116345), (10, 21693076), (20, 10846538), (40, 5423269), (131, 1655960), (262, 827980), (524, 413990), (655, 331192), (1048, 206995), (1310, 165596), (2620, 82798), (5240, 41399)]