16631540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 19692748

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 172, 215, 233, 332, 415, 430, 466, 830, 860, 932, 1165, 1660, 2330, 3569, 4660, 7138, 10019, 14276, 17845, 19339, 20038, 35690, 38678, 40076, 50095, 71380, 77356, 96695, 100190, 193390, 200380, 386780, 831577, 1663154, 3326308, 4157885, 8315770, 16631540]

約数ペア:

[(1, 16631540), (2, 8315770), (4, 4157885), (5, 3326308), (10, 1663154), (20, 831577), (43, 386780), (83, 200380), (86, 193390), (166, 100190), (172, 96695), (215, 77356), (233, 71380), (332, 50095), (415, 40076), (430, 38678), (466, 35690), (830, 20038), (860, 19339), (932, 17845), (1165, 14276), (1660, 10019), (2330, 7138), (3569, 4660)]