1020578025025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{181213}}^1$

素因数の和:181323

約数の個数: 72

約数和(自身を含む): 1447462046976

約数和(自身を除く): 426884021951

約数列:

[1, 5, 13, 25, 31, 43, 65, 155, 169, 215, 325, 403, 559, 775, 845, 1075, 1333, 2015, 2795, 4225, 5239, 6665, 7267, 10075, 13975, 17329, 26195, 33325, 36335, 86645, 130975, 181213, 181675, 225277, 433225, 906065, 1126385, 2355769, 4530325, 5617603, 5631925, 7792159, 11778845, 28088015, 30624997, 38960795, 58894225, 73028839, 101298067, 140440075, 153124985, 194803975, 241556929, 365144195, 506490335, 765624925, 949374907, 1207784645, 1316874871, 1825720975, 2532451675, 3140240077, 4746874535, 6038923225, 6584374355, 15701200385, 23734372675, 32921871775, 40823121001, 78506001925, 204115605005, 1020578025025]

約数ペア:

[(1, 1020578025025), (5, 204115605005), (13, 78506001925), (25, 40823121001), (31, 32921871775), (43, 23734372675), (65, 15701200385), (155, 6584374355), (169, 6038923225), (215, 4746874535), (325, 3140240077), (403, 2532451675), (559, 1825720975), (775, 1316874871), (845, 1207784645), (1075, 949374907), (1333, 765624925), (2015, 506490335), (2795, 365144195), (4225, 241556929), (5239, 194803975), (6665, 153124985), (7267, 140440075), (10075, 101298067), (13975, 73028839), (17329, 58894225), (26195, 38960795), (33325, 30624997), (36335, 28088015), (86645, 11778845), (130975, 7792159), (181213, 5631925), (181675, 5617603), (225277, 4530325), (433225, 2355769), (906065, 1126385)]