207976420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{125287}}^1$

素因数の和:125379

約数の個数: 24

約数和(自身を含む): 442016064

約数和(自身を除く): 234039644

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 125287, 250574, 501148, 626435, 1252870, 2505740, 10398821, 20797642, 41595284, 51994105, 103988210, 207976420]

約数ペア:

[(1, 207976420), (2, 103988210), (4, 51994105), (5, 41595284), (10, 20797642), (20, 10398821), (83, 2505740), (166, 1252870), (332, 626435), (415, 501148), (830, 250574), (1660, 125287)]