328802120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{265163}}^1$

素因数の和:265205

約数の個数: 32

約数和(自身を含む): 763672320

約数和(自身を除く): 434870200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 265163, 530326, 1060652, 1325815, 2121304, 2651630, 5303260, 8220053, 10606520, 16440106, 32880212, 41100265, 65760424, 82200530, 164401060, 328802120]

約数ペア:

[(1, 328802120), (2, 164401060), (4, 82200530), (5, 65760424), (8, 41100265), (10, 32880212), (20, 16440106), (31, 10606520), (40, 8220053), (62, 5303260), (124, 2651630), (155, 2121304), (248, 1325815), (310, 1060652), (620, 530326), (1240, 265163)]