20166460375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8779}}^1$

素因数の和:8881

約数の個数: 64

約数和(自身を含む): 28401684480

約数和(自身を除く): 8235224105

約数列:

[1, 5, 17, 23, 25, 47, 85, 115, 125, 235, 391, 425, 575, 799, 1081, 1175, 1955, 2125, 2875, 3995, 5405, 5875, 8779, 9775, 18377, 19975, 27025, 43895, 48875, 91885, 99875, 135125, 149243, 201917, 219475, 412613, 459425, 746215, 1009585, 1097375, 2063065, 2297125, 3432589, 3731075, 5047925, 7014421, 9490099, 10315325, 17162945, 18655375, 25239625, 35072105, 47450495, 51576625, 85814725, 161331683, 175360525, 237252475, 429073625, 806658415, 876802625, 1186262375, 4033292075, 20166460375]

約数ペア:

[(1, 20166460375), (5, 4033292075), (17, 1186262375), (23, 876802625), (25, 806658415), (47, 429073625), (85, 237252475), (115, 175360525), (125, 161331683), (235, 85814725), (391, 51576625), (425, 47450495), (575, 35072105), (799, 25239625), (1081, 18655375), (1175, 17162945), (1955, 10315325), (2125, 9490099), (2875, 7014421), (3995, 5047925), (5405, 3731075), (5875, 3432589), (8779, 2297125), (9775, 2063065), (18377, 1097375), (19975, 1009585), (27025, 746215), (43895, 459425), (48875, 412613), (91885, 219475), (99875, 201917), (135125, 149243)]