202318880

素因数分解:

$2^5\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1913}}^1$

素因数の和:2589

約数の個数: 48

約数和(自身を含む): 478951704

約数和(自身を除く): 276632824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 661, 1322, 1913, 2644, 3305, 3826, 5288, 6610, 7652, 9565, 10576, 13220, 15304, 19130, 21152, 26440, 30608, 38260, 52880, 61216, 76520, 105760, 153040, 306080, 1264493, 2528986, 5057972, 6322465, 10115944, 12644930, 20231888, 25289860, 40463776, 50579720, 101159440, 202318880]

約数ペア:

[(1, 202318880), (2, 101159440), (4, 50579720), (5, 40463776), (8, 25289860), (10, 20231888), (16, 12644930), (20, 10115944), (32, 6322465), (40, 5057972), (80, 2528986), (160, 1264493), (661, 306080), (1322, 153040), (1913, 105760), (2644, 76520), (3305, 61216), (3826, 52880), (5288, 38260), (6610, 30608), (7652, 26440), (9565, 21152), (10576, 19130), (13220, 15304)]