8327720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3413}}^1$

素因数の和:3485

約数の個数: 32

約数和(自身を含む): 19050120

約数和(自身を除く): 10722400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3413, 6826, 13652, 17065, 27304, 34130, 68260, 136520, 208193, 416386, 832772, 1040965, 1665544, 2081930, 4163860, 8327720]

約数ペア:

[(1, 8327720), (2, 4163860), (4, 2081930), (5, 1665544), (8, 1040965), (10, 832772), (20, 416386), (40, 208193), (61, 136520), (122, 68260), (244, 34130), (305, 27304), (488, 17065), (610, 13652), (1220, 6826), (2440, 3413)]