40722760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1103}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 100154880

約数和(自身を除く): 59432120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1103, 1420, 1846, 2206, 2840, 3692, 4412, 4615, 5515, 7384, 8824, 9230, 11030, 14339, 18460, 22060, 28678, 36920, 44120, 57356, 71695, 78313, 114712, 143390, 156626, 286780, 313252, 391565, 573560, 626504, 783130, 1018069, 1566260, 2036138, 3132520, 4072276, 5090345, 8144552, 10180690, 20361380, 40722760]

約数ペア:

[(1, 40722760), (2, 20361380), (4, 10180690), (5, 8144552), (8, 5090345), (10, 4072276), (13, 3132520), (20, 2036138), (26, 1566260), (40, 1018069), (52, 783130), (65, 626504), (71, 573560), (104, 391565), (130, 313252), (142, 286780), (260, 156626), (284, 143390), (355, 114712), (520, 78313), (568, 71695), (710, 57356), (923, 44120), (1103, 36920), (1420, 28678), (1846, 22060), (2206, 18460), (2840, 14339), (3692, 11030), (4412, 9230), (4615, 8824), (5515, 7384)]