80615575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 112849920

約数和(自身を除く): 32234345

約数列:

[1, 5, 19, 23, 25, 47, 95, 115, 157, 235, 437, 475, 575, 785, 893, 1081, 1175, 2185, 2983, 3611, 3925, 4465, 5405, 7379, 10925, 14915, 18055, 20539, 22325, 27025, 36895, 68609, 74575, 90275, 102695, 140201, 169717, 184475, 343045, 513475, 701005, 848585, 1715225, 3224623, 3505025, 4242925, 16123115, 80615575]

約数ペア:

[(1, 80615575), (5, 16123115), (19, 4242925), (23, 3505025), (25, 3224623), (47, 1715225), (95, 848585), (115, 701005), (157, 513475), (235, 343045), (437, 184475), (475, 169717), (575, 140201), (785, 102695), (893, 90275), (1081, 74575), (1175, 68609), (2185, 36895), (2983, 27025), (3611, 22325), (3925, 20539), (4465, 18055), (5405, 14915), (7379, 10925)]