79278320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90089}}^1$

素因数の和:90113

約数の個数: 40

約数和(自身を含む): 201080880

約数和(自身を除く): 121802560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 90089, 180178, 360356, 450445, 720712, 900890, 990979, 1441424, 1801780, 1981958, 3603560, 3963916, 4954895, 7207120, 7927832, 9909790, 15855664, 19819580, 39639160, 79278320]

約数ペア:

[(1, 79278320), (2, 39639160), (4, 19819580), (5, 15855664), (8, 9909790), (10, 7927832), (11, 7207120), (16, 4954895), (20, 3963916), (22, 3603560), (40, 1981958), (44, 1801780), (55, 1441424), (80, 990979), (88, 900890), (110, 720712), (176, 450445), (220, 360356), (440, 180178), (880, 90089)]