198090520

素因数分解:

$2^3\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{3413}}^1$

素因数の和:4875

約数の個数: 32

約数和(自身を含む): 446141520

約数和(自身を除く): 248051000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1451, 2902, 3413, 5804, 6826, 7255, 11608, 13652, 14510, 17065, 27304, 29020, 34130, 58040, 68260, 136520, 4952263, 9904526, 19809052, 24761315, 39618104, 49522630, 99045260, 198090520]

約数ペア:

[(1, 198090520), (2, 99045260), (4, 49522630), (5, 39618104), (8, 24761315), (10, 19809052), (20, 9904526), (40, 4952263), (1451, 136520), (2902, 68260), (3413, 58040), (5804, 34130), (6826, 29020), (7255, 27304), (11608, 17065), (13652, 14510)]