28923320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2003}}^1$

素因数の和:2052

約数の個数: 48

約数和(自身を含む): 68717160

約数和(自身を除く): 39793840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2003, 2888, 3610, 4006, 7220, 8012, 10015, 14440, 16024, 20030, 38057, 40060, 76114, 80120, 152228, 190285, 304456, 380570, 723083, 761140, 1446166, 1522280, 2892332, 3615415, 5784664, 7230830, 14461660, 28923320]

約数ペア:

[(1, 28923320), (2, 14461660), (4, 7230830), (5, 5784664), (8, 3615415), (10, 2892332), (19, 1522280), (20, 1446166), (38, 761140), (40, 723083), (76, 380570), (95, 304456), (152, 190285), (190, 152228), (361, 80120), (380, 76114), (722, 40060), (760, 38057), (1444, 20030), (1805, 16024), (2003, 14440), (2888, 10015), (3610, 8012), (4006, 7220)]