39967980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51241}}^1$

素因数の和:51266

約数の個数: 48

約数和(自身を含む): 120521184

約数和(自身を除く): 80553204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51241, 102482, 153723, 204964, 256205, 307446, 512410, 614892, 666133, 768615, 1024820, 1332266, 1537230, 1998399, 2664532, 3074460, 3330665, 3996798, 6661330, 7993596, 9991995, 13322660, 19983990, 39967980]

約数ペア:

[(1, 39967980), (2, 19983990), (3, 13322660), (4, 9991995), (5, 7993596), (6, 6661330), (10, 3996798), (12, 3330665), (13, 3074460), (15, 2664532), (20, 1998399), (26, 1537230), (30, 1332266), (39, 1024820), (52, 768615), (60, 666133), (65, 614892), (78, 512410), (130, 307446), (156, 256205), (195, 204964), (260, 153723), (390, 102482), (780, 51241)]