64985890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1621}}^1$

素因数の和:1858

約数の個数: 32

約数和(自身を含む): 123791040

約数和(自身を除く): 58805150

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 1055, 1621, 2110, 3242, 4009, 8018, 8105, 16210, 20045, 30799, 40090, 61598, 153995, 307990, 342031, 684062, 1710155, 3420310, 6498589, 12997178, 32492945, 64985890]

約数ペア:

[(1, 64985890), (2, 32492945), (5, 12997178), (10, 6498589), (19, 3420310), (38, 1710155), (95, 684062), (190, 342031), (211, 307990), (422, 153995), (1055, 61598), (1621, 40090), (2110, 30799), (3242, 20045), (4009, 16210), (8018, 8105)]