16579940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1483}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 38394048

約数和(自身を除く): 21814108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1483, 2236, 2795, 2966, 5590, 5932, 7415, 11180, 14830, 19279, 29660, 38558, 63769, 77116, 96395, 127538, 192790, 255076, 318845, 385580, 637690, 828997, 1275380, 1657994, 3315988, 4144985, 8289970, 16579940]

約数ペア:

[(1, 16579940), (2, 8289970), (4, 4144985), (5, 3315988), (10, 1657994), (13, 1275380), (20, 828997), (26, 637690), (43, 385580), (52, 318845), (65, 255076), (86, 192790), (130, 127538), (172, 96395), (215, 77116), (260, 63769), (430, 38558), (559, 29660), (860, 19279), (1118, 14830), (1483, 11180), (2236, 7415), (2795, 5932), (2966, 5590)]