38400620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 87036768

約数和(自身を除く): 48636148

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 2131, 3604, 4262, 4505, 8524, 9010, 10655, 18020, 21310, 36227, 42620, 72454, 112943, 144908, 181135, 225886, 362270, 451772, 564715, 724540, 1129430, 1920031, 2258860, 3840062, 7680124, 9600155, 19200310, 38400620]

約数ペア:

[(1, 38400620), (2, 19200310), (4, 9600155), (5, 7680124), (10, 3840062), (17, 2258860), (20, 1920031), (34, 1129430), (53, 724540), (68, 564715), (85, 451772), (106, 362270), (170, 225886), (212, 181135), (265, 144908), (340, 112943), (530, 72454), (901, 42620), (1060, 36227), (1802, 21310), (2131, 18020), (3604, 10655), (4262, 9010), (4505, 8524)]