15666418375

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 20806336512

約数和(自身を除く): 5139918137

約数列:

[1, 5, 23, 25, 107, 115, 125, 127, 401, 535, 575, 635, 2005, 2461, 2675, 2875, 2921, 3175, 9223, 10025, 12305, 13375, 13589, 14605, 15875, 42907, 46115, 50125, 50927, 61525, 67945, 73025, 214535, 230575, 254635, 307625, 312547, 339725, 365125, 986861, 1072675, 1152875, 1171321, 1273175, 1562735, 1698625, 4934305, 5363375, 5449189, 5856605, 6365875, 7813675, 24671525, 27245945, 29283025, 39068375, 123357625, 125331347, 136229725, 146415125, 626656735, 681148625, 3133283675, 15666418375]

約数ペア:

[(1, 15666418375), (5, 3133283675), (23, 681148625), (25, 626656735), (107, 146415125), (115, 136229725), (125, 125331347), (127, 123357625), (401, 39068375), (535, 29283025), (575, 27245945), (635, 24671525), (2005, 7813675), (2461, 6365875), (2675, 5856605), (2875, 5449189), (2921, 5363375), (3175, 4934305), (9223, 1698625), (10025, 1562735), (12305, 1273175), (13375, 1171321), (13589, 1152875), (14605, 1072675), (15875, 986861), (42907, 365125), (46115, 339725), (50125, 312547), (50927, 307625), (61525, 254635), (67945, 230575), (73025, 214535)]