15471320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20357}}^1$

素因数の和:20387

約数の個数: 32

約数和(自身を含む): 36644400

約数和(自身を除く): 21173080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20357, 40714, 81428, 101785, 162856, 203570, 386783, 407140, 773566, 814280, 1547132, 1933915, 3094264, 3867830, 7735660, 15471320]

約数ペア:

[(1, 15471320), (2, 7735660), (4, 3867830), (5, 3094264), (8, 1933915), (10, 1547132), (19, 814280), (20, 773566), (38, 407140), (40, 386783), (76, 203570), (95, 162856), (152, 101785), (190, 81428), (380, 40714), (760, 20357)]