40195925

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 67004640

約数和(自身を除く): 26808715

約数列:

[1, 5, 7, 11, 19, 25, 35, 49, 55, 77, 95, 133, 157, 175, 209, 245, 275, 385, 475, 539, 665, 785, 931, 1045, 1099, 1225, 1463, 1727, 1925, 2695, 2983, 3325, 3925, 4655, 5225, 5495, 7315, 7693, 8635, 10241, 12089, 13475, 14915, 20881, 23275, 27475, 32813, 36575, 38465, 43175, 51205, 60445, 74575, 84623, 104405, 146167, 164065, 192325, 229691, 256025, 302225, 423115, 522025, 730835, 820325, 1148455, 1607837, 2115575, 3654175, 5742275, 8039185, 40195925]

約数ペア:

[(1, 40195925), (5, 8039185), (7, 5742275), (11, 3654175), (19, 2115575), (25, 1607837), (35, 1148455), (49, 820325), (55, 730835), (77, 522025), (95, 423115), (133, 302225), (157, 256025), (175, 229691), (209, 192325), (245, 164065), (275, 146167), (385, 104405), (475, 84623), (539, 74575), (665, 60445), (785, 51205), (931, 43175), (1045, 38465), (1099, 36575), (1225, 32813), (1463, 27475), (1727, 23275), (1925, 20881), (2695, 14915), (2983, 13475), (3325, 12089), (3925, 10241), (4655, 8635), (5225, 7693), (5495, 7315)]