145133840

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9209}}^1$

素因数の和:9419

約数の個数: 40

約数和(自身を含む): 339185880

約数和(自身を除く): 194052040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 9209, 15760, 18418, 36836, 46045, 73672, 92090, 147344, 184180, 368360, 736720, 1814173, 3628346, 7256692, 9070865, 14513384, 18141730, 29026768, 36283460, 72566920, 145133840]

約数ペア:

[(1, 145133840), (2, 72566920), (4, 36283460), (5, 29026768), (8, 18141730), (10, 14513384), (16, 9070865), (20, 7256692), (40, 3628346), (80, 1814173), (197, 736720), (394, 368360), (788, 184180), (985, 147344), (1576, 92090), (1970, 73672), (3152, 46045), (3940, 36836), (7880, 18418), (9209, 15760)]