42890360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34589}}^1$

素因数の和:34631

約数の個数: 32

約数和(自身を含む): 99619200

約数和(自身を除く): 56728840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 34589, 69178, 138356, 172945, 276712, 345890, 691780, 1072259, 1383560, 2144518, 4289036, 5361295, 8578072, 10722590, 21445180, 42890360]

約数ペア:

[(1, 42890360), (2, 21445180), (4, 10722590), (5, 8578072), (8, 5361295), (10, 4289036), (20, 2144518), (31, 1383560), (40, 1072259), (62, 691780), (124, 345890), (155, 276712), (248, 172945), (310, 138356), (620, 69178), (1240, 34589)]