80279800

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5081}}^1$

素因数の和:5176

約数の個数: 48

約数和(自身を含む): 189050400

約数和(自身を除く): 108770600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 5081, 7900, 10162, 15800, 20324, 25405, 40648, 50810, 101620, 127025, 203240, 254050, 401399, 508100, 802798, 1016200, 1605596, 2006995, 3211192, 4013990, 8027980, 10034975, 16055960, 20069950, 40139900, 80279800]

約数ペア:

[(1, 80279800), (2, 40139900), (4, 20069950), (5, 16055960), (8, 10034975), (10, 8027980), (20, 4013990), (25, 3211192), (40, 2006995), (50, 1605596), (79, 1016200), (100, 802798), (158, 508100), (200, 401399), (316, 254050), (395, 203240), (632, 127025), (790, 101620), (1580, 50810), (1975, 40648), (3160, 25405), (3950, 20324), (5081, 15800), (7900, 10162)]