16655440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3413}}^1$

素因数の和:3487

約数の個数: 40

約数和(自身を含む): 39370248

約数和(自身を除く): 22714808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3413, 4880, 6826, 13652, 17065, 27304, 34130, 54608, 68260, 136520, 208193, 273040, 416386, 832772, 1040965, 1665544, 2081930, 3331088, 4163860, 8327720, 16655440]

約数ペア:

[(1, 16655440), (2, 8327720), (4, 4163860), (5, 3331088), (8, 2081930), (10, 1665544), (16, 1040965), (20, 832772), (40, 416386), (61, 273040), (80, 208193), (122, 136520), (244, 68260), (305, 54608), (488, 34130), (610, 27304), (976, 17065), (1220, 13652), (2440, 6826), (3413, 4880)]