78086440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{114833}}^1$

素因数の和:114861

約数の個数: 32

約数和(自身を含む): 186031080

約数和(自身を除く): 107944640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 114833, 229666, 459332, 574165, 918664, 1148330, 1952161, 2296660, 3904322, 4593320, 7808644, 9760805, 15617288, 19521610, 39043220, 78086440]

約数ペア:

[(1, 78086440), (2, 39043220), (4, 19521610), (5, 15617288), (8, 9760805), (10, 7808644), (17, 4593320), (20, 3904322), (34, 2296660), (40, 1952161), (68, 1148330), (85, 918664), (136, 574165), (170, 459332), (340, 229666), (680, 114833)]