39991480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2557}}^1$

素因数の和:2608

約数の個数: 64

約数和(自身を含む): 99455040

約数和(自身を除く): 59463560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 2557, 3128, 3910, 5114, 7820, 10228, 12785, 15640, 20456, 25570, 43469, 51140, 58811, 86938, 102280, 117622, 173876, 217345, 235244, 294055, 347752, 434690, 470488, 588110, 869380, 999787, 1176220, 1738760, 1999574, 2352440, 3999148, 4998935, 7998296, 9997870, 19995740, 39991480]

約数ペア:

[(1, 39991480), (2, 19995740), (4, 9997870), (5, 7998296), (8, 4998935), (10, 3999148), (17, 2352440), (20, 1999574), (23, 1738760), (34, 1176220), (40, 999787), (46, 869380), (68, 588110), (85, 470488), (92, 434690), (115, 347752), (136, 294055), (170, 235244), (184, 217345), (230, 173876), (340, 117622), (391, 102280), (460, 86938), (680, 58811), (782, 51140), (920, 43469), (1564, 25570), (1955, 20456), (2557, 15640), (3128, 12785), (3910, 10228), (5114, 7820)]