39957540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13591}}^1$

素因数の和:13617

約数の個数: 72

約数和(自身を含む): 130156992

約数和(自身を除く): 90199452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 13591, 27182, 40773, 54364, 67955, 81546, 95137, 135910, 163092, 190274, 203865, 271820, 285411, 380548, 407730, 475685, 570822, 665959, 815460, 951370, 1141644, 1331918, 1427055, 1902740, 1997877, 2663836, 2854110, 3329795, 3995754, 5708220, 6659590, 7991508, 9989385, 13319180, 19978770, 39957540]

約数ペア:

[(1, 39957540), (2, 19978770), (3, 13319180), (4, 9989385), (5, 7991508), (6, 6659590), (7, 5708220), (10, 3995754), (12, 3329795), (14, 2854110), (15, 2663836), (20, 1997877), (21, 1902740), (28, 1427055), (30, 1331918), (35, 1141644), (42, 951370), (49, 815460), (60, 665959), (70, 570822), (84, 475685), (98, 407730), (105, 380548), (140, 285411), (147, 271820), (196, 203865), (210, 190274), (245, 163092), (294, 135910), (420, 95137), (490, 81546), (588, 67955), (735, 54364), (980, 40773), (1470, 27182), (2940, 13591)]