27147440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5563}}^1$

素因数の和:5637

約数の個数: 40

約数和(自身を含む): 64164048

約数和(自身を除く): 37016608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5563, 11126, 22252, 27815, 44504, 55630, 89008, 111260, 222520, 339343, 445040, 678686, 1357372, 1696715, 2714744, 3393430, 5429488, 6786860, 13573720, 27147440]

約数ペア:

[(1, 27147440), (2, 13573720), (4, 6786860), (5, 5429488), (8, 3393430), (10, 2714744), (16, 1696715), (20, 1357372), (40, 678686), (61, 445040), (80, 339343), (122, 222520), (244, 111260), (305, 89008), (488, 55630), (610, 44504), (976, 27815), (1220, 22252), (2440, 11126), (4880, 5563)]