1555137040

素因数分解:

$2^4\times 5^1\times {\mathrm{5227}}^1\times {\mathrm{3719}}^1$

素因数の和:8959

約数の個数: 40

約数和(自身を含む): 3617357760

約数和(自身を除く): 2062220720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3719, 5227, 7438, 10454, 14876, 18595, 20908, 26135, 29752, 37190, 41816, 52270, 59504, 74380, 83632, 104540, 148760, 209080, 297520, 418160, 19439213, 38878426, 77756852, 97196065, 155513704, 194392130, 311027408, 388784260, 777568520, 1555137040]

約数ペア:

[(1, 1555137040), (2, 777568520), (4, 388784260), (5, 311027408), (8, 194392130), (10, 155513704), (16, 97196065), (20, 77756852), (40, 38878426), (80, 19439213), (3719, 418160), (5227, 297520), (7438, 209080), (10454, 148760), (14876, 104540), (18595, 83632), (20908, 74380), (26135, 59504), (29752, 52270), (37190, 41816)]