5180920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 13024800

約数和(自身を除く): 7843880

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 401, 646, 680, 760, 802, 1292, 1604, 1615, 2005, 2584, 3208, 3230, 4010, 6460, 6817, 7619, 8020, 12920, 13634, 15238, 16040, 27268, 30476, 34085, 38095, 54536, 60952, 68170, 76190, 129523, 136340, 152380, 259046, 272680, 304760, 518092, 647615, 1036184, 1295230, 2590460, 5180920]

約数ペア:

[(1, 5180920), (2, 2590460), (4, 1295230), (5, 1036184), (8, 647615), (10, 518092), (17, 304760), (19, 272680), (20, 259046), (34, 152380), (38, 136340), (40, 129523), (68, 76190), (76, 68170), (85, 60952), (95, 54536), (136, 38095), (152, 34085), (170, 30476), (190, 27268), (323, 16040), (340, 15238), (380, 13634), (401, 12920), (646, 8020), (680, 7619), (760, 6817), (802, 6460), (1292, 4010), (1604, 3230), (1615, 3208), (2005, 2584)]