266900080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107621}}^1$

素因数の和:107665

約数の個数: 40

約数和(自身を含む): 640566144

約数和(自身を除く): 373666064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 107621, 215242, 430484, 538105, 860968, 1076210, 1721936, 2152420, 3336251, 4304840, 6672502, 8609680, 13345004, 16681255, 26690008, 33362510, 53380016, 66725020, 133450040, 266900080]

約数ペア:

[(1, 266900080), (2, 133450040), (4, 66725020), (5, 53380016), (8, 33362510), (10, 26690008), (16, 16681255), (20, 13345004), (31, 8609680), (40, 6672502), (62, 4304840), (80, 3336251), (124, 2152420), (155, 1721936), (248, 1076210), (310, 860968), (496, 538105), (620, 430484), (1240, 215242), (2480, 107621)]