4445680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:985

約数の個数: 40

約数和(自身を含む): 10517184

約数和(自身を除く): 6071504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 911, 976, 1220, 1822, 2440, 3644, 4555, 4880, 7288, 9110, 14576, 18220, 36440, 55571, 72880, 111142, 222284, 277855, 444568, 555710, 889136, 1111420, 2222840, 4445680]

約数ペア:

[(1, 4445680), (2, 2222840), (4, 1111420), (5, 889136), (8, 555710), (10, 444568), (16, 277855), (20, 222284), (40, 111142), (61, 72880), (80, 55571), (122, 36440), (244, 18220), (305, 14576), (488, 9110), (610, 7288), (911, 4880), (976, 4555), (1220, 3644), (1822, 2440)]