39156440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 94478400

約数和(自身を除く): 55321960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 647, 680, 712, 890, 1294, 1513, 1780, 2588, 3026, 3235, 3560, 5176, 6052, 6470, 7565, 10999, 12104, 12940, 15130, 21998, 25880, 30260, 43996, 54995, 57583, 60520, 87992, 109990, 115166, 219980, 230332, 287915, 439960, 460664, 575830, 978911, 1151660, 1957822, 2303320, 3915644, 4894555, 7831288, 9789110, 19578220, 39156440]

約数ペア:

[(1, 39156440), (2, 19578220), (4, 9789110), (5, 7831288), (8, 4894555), (10, 3915644), (17, 2303320), (20, 1957822), (34, 1151660), (40, 978911), (68, 575830), (85, 460664), (89, 439960), (136, 287915), (170, 230332), (178, 219980), (340, 115166), (356, 109990), (445, 87992), (647, 60520), (680, 57583), (712, 54995), (890, 43996), (1294, 30260), (1513, 25880), (1780, 21998), (2588, 15130), (3026, 12940), (3235, 12104), (3560, 10999), (5176, 7565), (6052, 6470)]