28358816800

素因数分解:

$2^5\times 5^2\times {\mathrm{277}}^1\times {\mathrm{127973}}^1$

素因数の和:128270

約数の個数: 72

約数和(自身を含む): 69481435716

約数和(自身を除く): 41122618916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 277, 400, 554, 800, 1108, 1385, 2216, 2770, 4432, 5540, 6925, 8864, 11080, 13850, 22160, 27700, 44320, 55400, 110800, 127973, 221600, 255946, 511892, 639865, 1023784, 1279730, 2047568, 2559460, 3199325, 4095136, 5118920, 6398650, 10237840, 12797300, 20475680, 25594600, 35448521, 51189200, 70897042, 102378400, 141794084, 177242605, 283588168, 354485210, 567176336, 708970420, 886213025, 1134352672, 1417940840, 1772426050, 2835881680, 3544852100, 5671763360, 7089704200, 14179408400, 28358816800]

約数ペア:

[(1, 28358816800), (2, 14179408400), (4, 7089704200), (5, 5671763360), (8, 3544852100), (10, 2835881680), (16, 1772426050), (20, 1417940840), (25, 1134352672), (32, 886213025), (40, 708970420), (50, 567176336), (80, 354485210), (100, 283588168), (160, 177242605), (200, 141794084), (277, 102378400), (400, 70897042), (554, 51189200), (800, 35448521), (1108, 25594600), (1385, 20475680), (2216, 12797300), (2770, 10237840), (4432, 6398650), (5540, 5118920), (6925, 4095136), (8864, 3199325), (11080, 2559460), (13850, 2047568), (22160, 1279730), (27700, 1023784), (44320, 639865), (55400, 511892), (110800, 255946), (127973, 221600)]