28375075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 11622365

約数列:

[1, 5, 19, 25, 31, 41, 47, 95, 155, 205, 235, 475, 589, 775, 779, 893, 1025, 1175, 1271, 1457, 1927, 2945, 3895, 4465, 6355, 7285, 9635, 14725, 19475, 22325, 24149, 27683, 31775, 36425, 36613, 48175, 59737, 120745, 138415, 183065, 298685, 603725, 692075, 915325, 1135003, 1493425, 5675015, 28375075]

約数ペア:

[(1, 28375075), (5, 5675015), (19, 1493425), (25, 1135003), (31, 915325), (41, 692075), (47, 603725), (95, 298685), (155, 183065), (205, 138415), (235, 120745), (475, 59737), (589, 48175), (775, 36613), (779, 36425), (893, 31775), (1025, 27683), (1175, 24149), (1271, 22325), (1457, 19475), (1927, 14725), (2945, 9635), (3895, 7285), (4465, 6355)]