89340760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 209721600

約数和(自身を除く): 120380840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 436, 545, 620, 661, 872, 1090, 1240, 1322, 2180, 2644, 3305, 3379, 4360, 5288, 6610, 6758, 13220, 13516, 16895, 20491, 26440, 27032, 33790, 40982, 67580, 72049, 81964, 102455, 135160, 144098, 163928, 204910, 288196, 360245, 409820, 576392, 720490, 819640, 1440980, 2233519, 2881960, 4467038, 8934076, 11167595, 17868152, 22335190, 44670380, 89340760]

約数ペア:

[(1, 89340760), (2, 44670380), (4, 22335190), (5, 17868152), (8, 11167595), (10, 8934076), (20, 4467038), (31, 2881960), (40, 2233519), (62, 1440980), (109, 819640), (124, 720490), (155, 576392), (218, 409820), (248, 360245), (310, 288196), (436, 204910), (545, 163928), (620, 144098), (661, 135160), (872, 102455), (1090, 81964), (1240, 72049), (1322, 67580), (2180, 40982), (2644, 33790), (3305, 27032), (3379, 26440), (4360, 20491), (5288, 16895), (6610, 13516), (6758, 13220)]