40254160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 100172160

約数和(自身を除く): 59918000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 373, 380, 568, 710, 746, 760, 1136, 1349, 1420, 1492, 1520, 1865, 2698, 2840, 2984, 3730, 5396, 5680, 5968, 6745, 7087, 7460, 10792, 13490, 14174, 14920, 21584, 26483, 26980, 28348, 29840, 35435, 52966, 53960, 56696, 70870, 105932, 107920, 113392, 132415, 141740, 211864, 264830, 283480, 423728, 503177, 529660, 566960, 1006354, 1059320, 2012708, 2118640, 2515885, 4025416, 5031770, 8050832, 10063540, 20127080, 40254160]

約数ペア:

[(1, 40254160), (2, 20127080), (4, 10063540), (5, 8050832), (8, 5031770), (10, 4025416), (16, 2515885), (19, 2118640), (20, 2012708), (38, 1059320), (40, 1006354), (71, 566960), (76, 529660), (80, 503177), (95, 423728), (142, 283480), (152, 264830), (190, 211864), (284, 141740), (304, 132415), (355, 113392), (373, 107920), (380, 105932), (568, 70870), (710, 56696), (746, 53960), (760, 52966), (1136, 35435), (1349, 29840), (1420, 28348), (1492, 26980), (1520, 26483), (1865, 21584), (2698, 14920), (2840, 14174), (2984, 13490), (3730, 10792), (5396, 7460), (5680, 7087), (5968, 6745)]