38407420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1361}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 86492448

約数和(自身を除く): 48085028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 830, 1361, 1411, 1660, 2722, 2822, 5444, 5644, 6805, 7055, 13610, 14110, 23137, 27220, 28220, 46274, 92548, 112963, 115685, 225926, 231370, 451852, 462740, 564815, 1129630, 1920371, 2259260, 3840742, 7681484, 9601855, 19203710, 38407420]

約数ペア:

[(1, 38407420), (2, 19203710), (4, 9601855), (5, 7681484), (10, 3840742), (17, 2259260), (20, 1920371), (34, 1129630), (68, 564815), (83, 462740), (85, 451852), (166, 231370), (170, 225926), (332, 115685), (340, 112963), (415, 92548), (830, 46274), (1361, 28220), (1411, 27220), (1660, 23137), (2722, 14110), (2822, 13610), (5444, 7055), (5644, 6805)]