80204908

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 164505600

約数和(自身を除く): 84300692

約数列:

[1, 2, 4, 7, 14, 28, 79, 101, 158, 202, 316, 359, 404, 553, 707, 718, 1106, 1414, 1436, 2212, 2513, 2828, 5026, 7979, 10052, 15958, 28361, 31916, 36259, 55853, 56722, 72518, 111706, 113444, 145036, 198527, 223412, 253813, 397054, 507626, 794108, 1015252, 2864461, 5728922, 11457844, 20051227, 40102454, 80204908]

約数ペア:

[(1, 80204908), (2, 40102454), (4, 20051227), (7, 11457844), (14, 5728922), (28, 2864461), (79, 1015252), (101, 794108), (158, 507626), (202, 397054), (316, 253813), (359, 223412), (404, 198527), (553, 145036), (707, 113444), (718, 111706), (1106, 72518), (1414, 56722), (1436, 55853), (2212, 36259), (2513, 31916), (2828, 28361), (5026, 15958), (7979, 10052)]