8216360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{569}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 19545300

約数和(自身を除く): 11328940

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 569, 722, 760, 1138, 1444, 1805, 2276, 2845, 2888, 3610, 4552, 5690, 7220, 10811, 11380, 14440, 21622, 22760, 43244, 54055, 86488, 108110, 205409, 216220, 410818, 432440, 821636, 1027045, 1643272, 2054090, 4108180, 8216360]

約数ペア:

[(1, 8216360), (2, 4108180), (4, 2054090), (5, 1643272), (8, 1027045), (10, 821636), (19, 432440), (20, 410818), (38, 216220), (40, 205409), (76, 108110), (95, 86488), (152, 54055), (190, 43244), (361, 22760), (380, 21622), (569, 14440), (722, 11380), (760, 10811), (1138, 7220), (1444, 5690), (1805, 4552), (2276, 3610), (2845, 2888)]