87238840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1321}}^1$

素因数の和:1472

約数の個数: 64

約数和(自身を含む): 213212160

約数和(自身を除く): 125973320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 1016, 1270, 1321, 1651, 2540, 2642, 3302, 5080, 5284, 6604, 6605, 8255, 10568, 13208, 13210, 16510, 17173, 26420, 33020, 34346, 52840, 66040, 68692, 85865, 137384, 167767, 171730, 335534, 343460, 671068, 686920, 838835, 1342136, 1677670, 2180971, 3355340, 4361942, 6710680, 8723884, 10904855, 17447768, 21809710, 43619420, 87238840]

約数ペア:

[(1, 87238840), (2, 43619420), (4, 21809710), (5, 17447768), (8, 10904855), (10, 8723884), (13, 6710680), (20, 4361942), (26, 3355340), (40, 2180971), (52, 1677670), (65, 1342136), (104, 838835), (127, 686920), (130, 671068), (254, 343460), (260, 335534), (508, 171730), (520, 167767), (635, 137384), (1016, 85865), (1270, 68692), (1321, 66040), (1651, 52840), (2540, 34346), (2642, 33020), (3302, 26420), (5080, 17173), (5284, 16510), (6604, 13210), (6605, 13208), (8255, 10568)]