72208520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{106189}}^1$

素因数の和:106217

約数の個数: 32

約数和(自身を含む): 172027800

約数和(自身を除く): 99819280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 106189, 212378, 424756, 530945, 849512, 1061890, 1805213, 2123780, 3610426, 4247560, 7220852, 9026065, 14441704, 18052130, 36104260, 72208520]

約数ペア:

[(1, 72208520), (2, 36104260), (4, 18052130), (5, 14441704), (8, 9026065), (10, 7220852), (17, 4247560), (20, 3610426), (34, 2123780), (40, 1805213), (68, 1061890), (85, 849512), (136, 530945), (170, 424756), (340, 212378), (680, 106189)]