8197660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 18289152

約数和(自身を除く): 10091492

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 251, 284, 355, 460, 502, 710, 1004, 1255, 1420, 1633, 2510, 3266, 5020, 5773, 6532, 8165, 11546, 16330, 17821, 23092, 28865, 32660, 35642, 57730, 71284, 89105, 115460, 178210, 356420, 409883, 819766, 1639532, 2049415, 4098830, 8197660]

約数ペア:

[(1, 8197660), (2, 4098830), (4, 2049415), (5, 1639532), (10, 819766), (20, 409883), (23, 356420), (46, 178210), (71, 115460), (92, 89105), (115, 71284), (142, 57730), (230, 35642), (251, 32660), (284, 28865), (355, 23092), (460, 17821), (502, 16330), (710, 11546), (1004, 8165), (1255, 6532), (1420, 5773), (1633, 5020), (2510, 3266)]