81671200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7853}}^1$

素因数の和:7886

約数の個数: 72

約数和(自身を含む): 214744068

約数和(自身を除く): 133072868

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 7853, 10400, 15706, 31412, 39265, 62824, 78530, 102089, 125648, 157060, 196325, 204178, 251296, 314120, 392650, 408356, 510445, 628240, 785300, 816712, 1020890, 1256480, 1570600, 1633424, 2041780, 2552225, 3141200, 3266848, 4083560, 5104450, 6282400, 8167120, 10208900, 16334240, 20417800, 40835600, 81671200]

約数ペア:

[(1, 81671200), (2, 40835600), (4, 20417800), (5, 16334240), (8, 10208900), (10, 8167120), (13, 6282400), (16, 5104450), (20, 4083560), (25, 3266848), (26, 3141200), (32, 2552225), (40, 2041780), (50, 1633424), (52, 1570600), (65, 1256480), (80, 1020890), (100, 816712), (104, 785300), (130, 628240), (160, 510445), (200, 408356), (208, 392650), (260, 314120), (325, 251296), (400, 204178), (416, 196325), (520, 157060), (650, 125648), (800, 102089), (1040, 78530), (1300, 62824), (2080, 39265), (2600, 31412), (5200, 15706), (7853, 10400)]