26508748520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21378023}}^1$

素因数の和:21378065

約数の個数: 32

約数和(自身を含む): 61568709120

約数和(自身を除く): 35059960600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21378023, 42756046, 85512092, 106890115, 171024184, 213780230, 427560460, 662718713, 855120920, 1325437426, 2650874852, 3313593565, 5301749704, 6627187130, 13254374260, 26508748520]

約数ペア:

[(1, 26508748520), (2, 13254374260), (4, 6627187130), (5, 5301749704), (8, 3313593565), (10, 2650874852), (20, 1325437426), (31, 855120920), (40, 662718713), (62, 427560460), (124, 213780230), (155, 171024184), (248, 106890115), (310, 85512092), (620, 42756046), (1240, 21378023)]