2013245240

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{123059}}^1$

素因数の和:123479

約数の個数: 32

約数和(自身を含む): 4540914000

約数和(自身を除く): 2527668760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 16360, 123059, 246118, 492236, 615295, 984472, 1230590, 2461180, 4922360, 50331131, 100662262, 201324524, 251655655, 402649048, 503311310, 1006622620, 2013245240]

約数ペア:

[(1, 2013245240), (2, 1006622620), (4, 503311310), (5, 402649048), (8, 251655655), (10, 201324524), (20, 100662262), (40, 50331131), (409, 4922360), (818, 2461180), (1636, 1230590), (2045, 984472), (3272, 615295), (4090, 492236), (8180, 246118), (16360, 123059)]