8121520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{839}}^1$

素因数の和:874

約数の個数: 60

約数和(自身を含む): 20779920

約数和(自身を除く): 12658400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 839, 880, 968, 1210, 1678, 1936, 2420, 3356, 4195, 4840, 6712, 8390, 9229, 9680, 13424, 16780, 18458, 33560, 36916, 46145, 67120, 73832, 92290, 101519, 147664, 184580, 203038, 369160, 406076, 507595, 738320, 812152, 1015190, 1624304, 2030380, 4060760, 8121520]

約数ペア:

[(1, 8121520), (2, 4060760), (4, 2030380), (5, 1624304), (8, 1015190), (10, 812152), (11, 738320), (16, 507595), (20, 406076), (22, 369160), (40, 203038), (44, 184580), (55, 147664), (80, 101519), (88, 92290), (110, 73832), (121, 67120), (176, 46145), (220, 36916), (242, 33560), (440, 18458), (484, 16780), (605, 13424), (839, 9680), (880, 9229), (968, 8390), (1210, 6712), (1678, 4840), (1936, 4195), (2420, 3356)]