1380459320

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{415801}}^1$

素因数の和:415895

約数の個数: 32

約数和(自身を含む): 3143463120

約数和(自身を除く): 1763003800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 415801, 831602, 1663204, 2079005, 3326408, 4158010, 8316020, 16632040, 34511483, 69022966, 138045932, 172557415, 276091864, 345114830, 690229660, 1380459320]

約数ペア:

[(1, 1380459320), (2, 690229660), (4, 345114830), (5, 276091864), (8, 172557415), (10, 138045932), (20, 69022966), (40, 34511483), (83, 16632040), (166, 8316020), (332, 4158010), (415, 3326408), (664, 2079005), (830, 1663204), (1660, 831602), (3320, 415801)]