8039800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 19027800

約数和(自身を除く): 10988000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 659, 1220, 1318, 1525, 2440, 2636, 3050, 3295, 5272, 6100, 6590, 12200, 13180, 16475, 26360, 32950, 40199, 65900, 80398, 131800, 160796, 200995, 321592, 401990, 803980, 1004975, 1607960, 2009950, 4019900, 8039800]

約数ペア:

[(1, 8039800), (2, 4019900), (4, 2009950), (5, 1607960), (8, 1004975), (10, 803980), (20, 401990), (25, 321592), (40, 200995), (50, 160796), (61, 131800), (100, 80398), (122, 65900), (200, 40199), (244, 32950), (305, 26360), (488, 16475), (610, 13180), (659, 12200), (1220, 6590), (1318, 6100), (1525, 5272), (2440, 3295), (2636, 3050)]