13012520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5333}}^1$

素因数の和:5405

約数の個数: 32

約数和(自身を含む): 29763720

約数和(自身を除く): 16751200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 5333, 10666, 21332, 26665, 42664, 53330, 106660, 213320, 325313, 650626, 1301252, 1626565, 2602504, 3253130, 6506260, 13012520]

約数ペア:

[(1, 13012520), (2, 6506260), (4, 3253130), (5, 2602504), (8, 1626565), (10, 1301252), (20, 650626), (40, 325313), (61, 213320), (122, 106660), (244, 53330), (305, 42664), (488, 26665), (610, 21332), (1220, 10666), (2440, 5333)]