4199260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 9821952

約数和(自身を除く): 5622692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 521, 620, 806, 1042, 1612, 2015, 2084, 2605, 4030, 5210, 6773, 8060, 10420, 13546, 16151, 27092, 32302, 33865, 64604, 67730, 80755, 135460, 161510, 209963, 323020, 419926, 839852, 1049815, 2099630, 4199260]

約数ペア:

[(1, 4199260), (2, 2099630), (4, 1049815), (5, 839852), (10, 419926), (13, 323020), (20, 209963), (26, 161510), (31, 135460), (52, 80755), (62, 67730), (65, 64604), (124, 33865), (130, 32302), (155, 27092), (260, 16151), (310, 13546), (403, 10420), (521, 8060), (620, 6773), (806, 5210), (1042, 4030), (1612, 2605), (2015, 2084)]