16139375

素因数分解:

$5^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 60

約数和(自身を含む): 25641792

約数和(自身を除く): 9502417

約数列:

[1, 5, 7, 17, 25, 31, 35, 49, 85, 119, 125, 155, 175, 217, 245, 425, 527, 595, 625, 775, 833, 875, 1085, 1225, 1519, 2125, 2635, 2975, 3689, 3875, 4165, 4375, 5425, 6125, 7595, 10625, 13175, 14875, 18445, 19375, 20825, 25823, 27125, 30625, 37975, 65875, 74375, 92225, 104125, 129115, 135625, 189875, 329375, 461125, 520625, 645575, 949375, 2305625, 3227875, 16139375]

約数ペア:

[(1, 16139375), (5, 3227875), (7, 2305625), (17, 949375), (25, 645575), (31, 520625), (35, 461125), (49, 329375), (85, 189875), (119, 135625), (125, 129115), (155, 104125), (175, 92225), (217, 74375), (245, 65875), (425, 37975), (527, 30625), (595, 27125), (625, 25823), (775, 20825), (833, 19375), (875, 18445), (1085, 14875), (1225, 13175), (1519, 10625), (2125, 7595), (2635, 6125), (2975, 5425), (3689, 4375), (3875, 4165)]