83907080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 196577280

約数和(自身を除く): 112670200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 431, 620, 628, 785, 862, 1240, 1256, 1570, 1724, 2155, 3140, 3448, 4310, 4867, 6280, 8620, 9734, 13361, 17240, 19468, 24335, 26722, 38936, 48670, 53444, 66805, 67667, 97340, 106888, 133610, 135334, 194680, 267220, 270668, 338335, 534440, 541336, 676670, 1353340, 2097677, 2706680, 4195354, 8390708, 10488385, 16781416, 20976770, 41953540, 83907080]

約数ペア:

[(1, 83907080), (2, 41953540), (4, 20976770), (5, 16781416), (8, 10488385), (10, 8390708), (20, 4195354), (31, 2706680), (40, 2097677), (62, 1353340), (124, 676670), (155, 541336), (157, 534440), (248, 338335), (310, 270668), (314, 267220), (431, 194680), (620, 135334), (628, 133610), (785, 106888), (862, 97340), (1240, 67667), (1256, 66805), (1570, 53444), (1724, 48670), (2155, 38936), (3140, 26722), (3448, 24335), (4310, 19468), (4867, 17240), (6280, 13361), (8620, 9734)]