16021225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 24105600

約数和(自身を除く): 8084375

約数列:

[1, 5, 11, 17, 23, 25, 55, 85, 115, 149, 187, 253, 275, 391, 425, 575, 745, 935, 1265, 1639, 1955, 2533, 3427, 3725, 4301, 4675, 6325, 8195, 9775, 12665, 17135, 21505, 27863, 37697, 40975, 58259, 63325, 85675, 107525, 139315, 188485, 291295, 640849, 696575, 942425, 1456475, 3204245, 16021225]

約数ペア:

[(1, 16021225), (5, 3204245), (11, 1456475), (17, 942425), (23, 696575), (25, 640849), (55, 291295), (85, 188485), (115, 139315), (149, 107525), (187, 85675), (253, 63325), (275, 58259), (391, 40975), (425, 37697), (575, 27863), (745, 21505), (935, 17135), (1265, 12665), (1639, 9775), (1955, 8195), (2533, 6325), (3427, 4675), (3725, 4301)]