61872520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90989}}^1$

素因数の和:91017

約数の個数: 32

約数和(自身を含む): 147403800

約数和(自身を除く): 85531280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 90989, 181978, 363956, 454945, 727912, 909890, 1546813, 1819780, 3093626, 3639560, 6187252, 7734065, 12374504, 15468130, 30936260, 61872520]

約数ペア:

[(1, 61872520), (2, 30936260), (4, 15468130), (5, 12374504), (8, 7734065), (10, 6187252), (17, 3639560), (20, 3093626), (34, 1819780), (40, 1546813), (68, 909890), (85, 727912), (136, 454945), (170, 363956), (340, 181978), (680, 90989)]