40144728

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128669}}^1$

素因数の和:128691

約数の個数: 32

約数和(自身を含む): 108082800

約数和(自身を除く): 67938072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 128669, 257338, 386007, 514676, 772014, 1029352, 1544028, 1672697, 3088056, 3345394, 5018091, 6690788, 10036182, 13381576, 20072364, 40144728]

約数ペア:

[(1, 40144728), (2, 20072364), (3, 13381576), (4, 10036182), (6, 6690788), (8, 5018091), (12, 3345394), (13, 3088056), (24, 1672697), (26, 1544028), (39, 1029352), (52, 772014), (78, 514676), (104, 386007), (156, 257338), (312, 128669)]