1640854410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4207319}}^1$

素因数の和:4207342

約数の個数: 32

約数和(自身を含む): 4240978560

約数和(自身を除く): 2600124150

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 4207319, 8414638, 12621957, 21036595, 25243914, 42073190, 54695147, 63109785, 109390294, 126219570, 164085441, 273475735, 328170882, 546951470, 820427205, 1640854410]

約数ペア:

[(1, 1640854410), (2, 820427205), (3, 546951470), (5, 328170882), (6, 273475735), (10, 164085441), (13, 126219570), (15, 109390294), (26, 63109785), (30, 54695147), (39, 42073190), (65, 25243914), (78, 21036595), (130, 12621957), (195, 8414638), (390, 4207319)]