88111780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 190512000

約数和(自身を除く): 102400220

約数列:

[1, 2, 4, 5, 10, 20, 59, 89, 118, 178, 236, 295, 356, 445, 590, 839, 890, 1180, 1678, 1780, 3356, 4195, 5251, 8390, 10502, 16780, 21004, 26255, 49501, 52510, 74671, 99002, 105020, 149342, 198004, 247505, 298684, 373355, 495010, 746710, 990020, 1493420, 4405589, 8811178, 17622356, 22027945, 44055890, 88111780]

約数ペア:

[(1, 88111780), (2, 44055890), (4, 22027945), (5, 17622356), (10, 8811178), (20, 4405589), (59, 1493420), (89, 990020), (118, 746710), (178, 495010), (236, 373355), (295, 298684), (356, 247505), (445, 198004), (590, 149342), (839, 105020), (890, 99002), (1180, 74671), (1678, 52510), (1780, 49501), (3356, 26255), (4195, 21004), (5251, 16780), (8390, 10502)]