40546732720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1257653}}^1$

素因数の和:1257710

約数の個数: 80

約数和(自身を含む): 104797792512

約数和(自身を除く): 64251059792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 1257653, 2515306, 5030612, 6288265, 10061224, 12576530, 16349489, 20122448, 25153060, 32698978, 38987243, 50306120, 65397956, 77974486, 81747445, 100612240, 130795912, 155948972, 163494890, 194936215, 261591824, 311897944, 326989780, 389872430, 506834159, 623795888, 653979560, 779744860, 1013668318, 1307959120, 1559489720, 2027336636, 2534170795, 3118979440, 4054673272, 5068341590, 8109346544, 10136683180, 20273366360, 40546732720]

約数ペア:

[(1, 40546732720), (2, 20273366360), (4, 10136683180), (5, 8109346544), (8, 5068341590), (10, 4054673272), (13, 3118979440), (16, 2534170795), (20, 2027336636), (26, 1559489720), (31, 1307959120), (40, 1013668318), (52, 779744860), (62, 653979560), (65, 623795888), (80, 506834159), (104, 389872430), (124, 326989780), (130, 311897944), (155, 261591824), (208, 194936215), (248, 163494890), (260, 155948972), (310, 130795912), (403, 100612240), (496, 81747445), (520, 77974486), (620, 65397956), (806, 50306120), (1040, 38987243), (1240, 32698978), (1612, 25153060), (2015, 20122448), (2480, 16349489), (3224, 12576530), (4030, 10061224), (6448, 6288265), (8060, 5030612), (16120, 2515306), (32240, 1257653)]