19699693880

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{643}}^1\times {\mathrm{2087}}^1$

素因数の和:3108

約数の個数: 64

約数和(自身を含む): 44535536640

約数和(自身を除く): 24835842760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 643, 734, 1286, 1468, 1835, 2087, 2572, 2936, 3215, 3670, 4174, 5144, 6430, 7340, 8348, 10435, 12860, 14680, 16696, 20870, 25720, 41740, 83480, 235981, 471962, 765929, 943924, 1179905, 1341941, 1531858, 1887848, 2359810, 2683882, 3063716, 3829645, 4719620, 5367764, 6127432, 6709705, 7659290, 9439240, 10735528, 13419410, 15318580, 26838820, 30637160, 53677640, 492492347, 984984694, 1969969388, 2462461735, 3939938776, 4924923470, 9849846940, 19699693880]

約数ペア:

[(1, 19699693880), (2, 9849846940), (4, 4924923470), (5, 3939938776), (8, 2462461735), (10, 1969969388), (20, 984984694), (40, 492492347), (367, 53677640), (643, 30637160), (734, 26838820), (1286, 15318580), (1468, 13419410), (1835, 10735528), (2087, 9439240), (2572, 7659290), (2936, 6709705), (3215, 6127432), (3670, 5367764), (4174, 4719620), (5144, 3829645), (6430, 3063716), (7340, 2683882), (8348, 2359810), (10435, 1887848), (12860, 1531858), (14680, 1341941), (16696, 1179905), (20870, 943924), (25720, 765929), (41740, 471962), (83480, 235981)]