2019945680

素因数分解:

$2^4\times 5^1\times {\mathrm{787}}^1\times {\mathrm{32083}}^1$

素因数の和:32883

約数の個数: 40

約数和(自身を含む): 4702487712

約数和(自身を除く): 2682542032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 787, 1574, 3148, 3935, 6296, 7870, 12592, 15740, 31480, 32083, 62960, 64166, 128332, 160415, 256664, 320830, 513328, 641660, 1283320, 2566640, 25249321, 50498642, 100997284, 126246605, 201994568, 252493210, 403989136, 504986420, 1009972840, 2019945680]

約数ペア:

[(1, 2019945680), (2, 1009972840), (4, 504986420), (5, 403989136), (8, 252493210), (10, 201994568), (16, 126246605), (20, 100997284), (40, 50498642), (80, 25249321), (787, 2566640), (1574, 1283320), (3148, 641660), (3935, 513328), (6296, 320830), (7870, 256664), (12592, 160415), (15740, 128332), (31480, 64166), (32083, 62960)]