1640202064

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{3306859}}^1$

素因数の和:3306898

約数の個数: 20

約数和(自身を含む): 3280405120

約数和(自身を除く): 1640203056

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 3306859, 6613718, 13227436, 26454872, 52909744, 102512629, 205025258, 410050516, 820101032, 1640202064]

約数ペア:

[(1, 1640202064), (2, 820101032), (4, 410050516), (8, 205025258), (16, 102512629), (31, 52909744), (62, 26454872), (124, 13227436), (248, 6613718), (496, 3306859)]