20164055725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{677}}^1$

素因数の和:1015

約数の個数: 96

約数和(自身を含む): 30290132736

約数和(自身を除く): 10126077011

約数列:

[1, 5, 11, 17, 23, 25, 55, 85, 115, 187, 253, 275, 277, 391, 425, 575, 677, 935, 1265, 1385, 1955, 3047, 3385, 4301, 4675, 4709, 6325, 6371, 6925, 7447, 9775, 11509, 15235, 15571, 16925, 21505, 23545, 31855, 37235, 51799, 57545, 70081, 76175, 77855, 107525, 108307, 117725, 126599, 159275, 171281, 186175, 187529, 258995, 264707, 287725, 350405, 389275, 541535, 632995, 856405, 937645, 1191377, 1294975, 1323535, 1752025, 2062819, 2707675, 2911777, 3164975, 3187993, 4282025, 4313167, 4688225, 5956885, 6617675, 10314095, 14558885, 15939965, 21565835, 29784425, 35067923, 47444837, 51570475, 72794425, 73323839, 79699825, 107829175, 175339615, 237224185, 366619195, 806562229, 876698075, 1186120925, 1833095975, 4032811145, 20164055725]

約数ペア:

[(1, 20164055725), (5, 4032811145), (11, 1833095975), (17, 1186120925), (23, 876698075), (25, 806562229), (55, 366619195), (85, 237224185), (115, 175339615), (187, 107829175), (253, 79699825), (275, 73323839), (277, 72794425), (391, 51570475), (425, 47444837), (575, 35067923), (677, 29784425), (935, 21565835), (1265, 15939965), (1385, 14558885), (1955, 10314095), (3047, 6617675), (3385, 5956885), (4301, 4688225), (4675, 4313167), (4709, 4282025), (6325, 3187993), (6371, 3164975), (6925, 2911777), (7447, 2707675), (9775, 2062819), (11509, 1752025), (15235, 1323535), (15571, 1294975), (16925, 1191377), (21505, 937645), (23545, 856405), (31855, 632995), (37235, 541535), (51799, 389275), (57545, 350405), (70081, 287725), (76175, 264707), (77855, 258995), (107525, 187529), (108307, 186175), (117725, 171281), (126599, 159275)]