12665654375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 18159787008

約数和(自身を除く): 5494132633

約数列:

[1, 5, 11, 23, 25, 55, 115, 125, 173, 253, 275, 463, 575, 625, 865, 1265, 1375, 1903, 2315, 2875, 3979, 4325, 5093, 6325, 6875, 9515, 10649, 11575, 14375, 19895, 21625, 25465, 31625, 43769, 47575, 53245, 57875, 80099, 99475, 108125, 117139, 127325, 158125, 218845, 237875, 266225, 289375, 400495, 497375, 585695, 636625, 881089, 1094225, 1189375, 1331125, 1842277, 2002475, 2486875, 2928475, 3183125, 4405445, 5471125, 6655625, 9211385, 10012375, 14642375, 20265047, 22027225, 27355625, 46056925, 50061875, 73211875, 101325235, 110136125, 230284625, 506626175, 550680625, 1151423125, 2533130875, 12665654375]

約数ペア:

[(1, 12665654375), (5, 2533130875), (11, 1151423125), (23, 550680625), (25, 506626175), (55, 230284625), (115, 110136125), (125, 101325235), (173, 73211875), (253, 50061875), (275, 46056925), (463, 27355625), (575, 22027225), (625, 20265047), (865, 14642375), (1265, 10012375), (1375, 9211385), (1903, 6655625), (2315, 5471125), (2875, 4405445), (3979, 3183125), (4325, 2928475), (5093, 2486875), (6325, 2002475), (6875, 1842277), (9515, 1331125), (10649, 1189375), (11575, 1094225), (14375, 881089), (19895, 636625), (21625, 585695), (25465, 497375), (31625, 400495), (43769, 289375), (47575, 266225), (53245, 237875), (57875, 218845), (80099, 158125), (99475, 127325), (108125, 117139)]