1301002490120

素因数分解:

$2^3\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{25077149}}^1$

素因数の和:25078457

約数の個数: 32

約数和(自身を含む): 2929512663000

約数和(自身を除く): 1628510172880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1297, 2594, 5188, 6485, 10376, 12970, 25940, 51880, 25077149, 50154298, 100308596, 125385745, 200617192, 250771490, 501542980, 1003085960, 32525062253, 65050124506, 130100249012, 162625311265, 260200498024, 325250622530, 650501245060, 1301002490120]

約数ペア:

[(1, 1301002490120), (2, 650501245060), (4, 325250622530), (5, 260200498024), (8, 162625311265), (10, 130100249012), (20, 65050124506), (40, 32525062253), (1297, 1003085960), (2594, 501542980), (5188, 250771490), (6485, 200617192), (10376, 125385745), (12970, 100308596), (25940, 50154298), (51880, 25077149)]