84067220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{653}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 182277648

約数和(自身を除く): 98210428

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 157, 164, 205, 314, 410, 628, 653, 785, 820, 1306, 1570, 2612, 3140, 3265, 6437, 6530, 12874, 13060, 25748, 26773, 32185, 53546, 64370, 102521, 107092, 128740, 133865, 205042, 267730, 410084, 512605, 535460, 1025210, 2050420, 4203361, 8406722, 16813444, 21016805, 42033610, 84067220]

約数ペア:

[(1, 84067220), (2, 42033610), (4, 21016805), (5, 16813444), (10, 8406722), (20, 4203361), (41, 2050420), (82, 1025210), (157, 535460), (164, 512605), (205, 410084), (314, 267730), (410, 205042), (628, 133865), (653, 128740), (785, 107092), (820, 102521), (1306, 64370), (1570, 53546), (2612, 32185), (3140, 26773), (3265, 25748), (6437, 13060), (6530, 12874)]