15693860680

素因数分解:

$2^3\times 5^1\times {\mathrm{20747}}^1\times {\mathrm{18911}}^1$

素因数の和:39669

約数の個数: 32

約数和(自身を含む): 35314755840

約数和(自身を除く): 19620895160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 18911, 20747, 37822, 41494, 75644, 82988, 94555, 103735, 151288, 165976, 189110, 207470, 378220, 414940, 756440, 829880, 392346517, 784693034, 1569386068, 1961732585, 3138772136, 3923465170, 7846930340, 15693860680]

約数ペア:

[(1, 15693860680), (2, 7846930340), (4, 3923465170), (5, 3138772136), (8, 1961732585), (10, 1569386068), (20, 784693034), (40, 392346517), (18911, 829880), (20747, 756440), (37822, 414940), (41494, 378220), (75644, 207470), (82988, 189110), (94555, 165976), (103735, 151288)]