200051990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{645329}}^1$

素因数の和:645367

約数の個数: 16

約数和(自身を含む): 371710080

約数和(自身を除く): 171658090

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 645329, 1290658, 3226645, 6453290, 20005199, 40010398, 100025995, 200051990]

約数ペア:

[(1, 200051990), (2, 100025995), (5, 40010398), (10, 20005199), (31, 6453290), (62, 3226645), (155, 1290658), (310, 645329)]