80106125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 121305600

約数和(自身を除く): 41199475

約数列:

[1, 5, 11, 17, 23, 25, 55, 85, 115, 125, 149, 187, 253, 275, 391, 425, 575, 745, 935, 1265, 1375, 1639, 1955, 2125, 2533, 2875, 3427, 3725, 4301, 4675, 6325, 8195, 9775, 12665, 17135, 18625, 21505, 23375, 27863, 31625, 37697, 40975, 48875, 58259, 63325, 85675, 107525, 139315, 188485, 204875, 291295, 316625, 428375, 537625, 640849, 696575, 942425, 1456475, 3204245, 3482875, 4712125, 7282375, 16021225, 80106125]

約数ペア:

[(1, 80106125), (5, 16021225), (11, 7282375), (17, 4712125), (23, 3482875), (25, 3204245), (55, 1456475), (85, 942425), (115, 696575), (125, 640849), (149, 537625), (187, 428375), (253, 316625), (275, 291295), (391, 204875), (425, 188485), (575, 139315), (745, 107525), (935, 85675), (1265, 63325), (1375, 58259), (1639, 48875), (1955, 40975), (2125, 37697), (2533, 31625), (2875, 27863), (3427, 23375), (3725, 21505), (4301, 18625), (4675, 17135), (6325, 12665), (8195, 9775)]