538253950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{1039}}^1$

素因数の和:1861

約数の個数: 48

約数和(自身を含む): 1080555840

約数和(自身を除く): 542301890

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 797, 1039, 1594, 2078, 3985, 5195, 7970, 10361, 10390, 13507, 19925, 20722, 25975, 27014, 39850, 51805, 51950, 67535, 103610, 135070, 259025, 337675, 518050, 675350, 828083, 1656166, 4140415, 8280830, 10765079, 20702075, 21530158, 41404150, 53825395, 107650790, 269126975, 538253950]

約数ペア:

[(1, 538253950), (2, 269126975), (5, 107650790), (10, 53825395), (13, 41404150), (25, 21530158), (26, 20702075), (50, 10765079), (65, 8280830), (130, 4140415), (325, 1656166), (650, 828083), (797, 675350), (1039, 518050), (1594, 337675), (2078, 259025), (3985, 135070), (5195, 103610), (7970, 67535), (10361, 51950), (10390, 51805), (13507, 39850), (19925, 27014), (20722, 25975)]