3766640

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:449

約数の個数: 40

約数和(自身を含む): 8838720

約数和(自身を除く): 5072080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 239, 394, 478, 788, 956, 985, 1195, 1576, 1912, 1970, 2390, 3152, 3824, 3940, 4780, 7880, 9560, 15760, 19120, 47083, 94166, 188332, 235415, 376664, 470830, 753328, 941660, 1883320, 3766640]

約数ペア:

[(1, 3766640), (2, 1883320), (4, 941660), (5, 753328), (8, 470830), (10, 376664), (16, 235415), (20, 188332), (40, 94166), (80, 47083), (197, 19120), (239, 15760), (394, 9560), (478, 7880), (788, 4780), (956, 3940), (985, 3824), (1195, 3152), (1576, 2390), (1912, 1970)]