51809200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:455

約数の個数: 120

約数和(自身を含む): 139075920

約数和(自身を除く): 87266720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 80, 85, 95, 100, 136, 152, 170, 190, 200, 272, 304, 323, 340, 380, 400, 401, 425, 475, 646, 680, 760, 802, 850, 950, 1292, 1360, 1520, 1604, 1615, 1700, 1900, 2005, 2584, 3208, 3230, 3400, 3800, 4010, 5168, 6416, 6460, 6800, 6817, 7600, 7619, 8020, 8075, 10025, 12920, 13634, 15238, 16040, 16150, 20050, 25840, 27268, 30476, 32080, 32300, 34085, 38095, 40100, 54536, 60952, 64600, 68170, 76190, 80200, 109072, 121904, 129200, 129523, 136340, 152380, 160400, 170425, 190475, 259046, 272680, 304760, 340850, 380950, 518092, 545360, 609520, 647615, 681700, 761900, 1036184, 1295230, 1363400, 1523800, 2072368, 2590460, 2726800, 3047600, 3238075, 5180920, 6476150, 10361840, 12952300, 25904600, 51809200]

約数ペア:

[(1, 51809200), (2, 25904600), (4, 12952300), (5, 10361840), (8, 6476150), (10, 5180920), (16, 3238075), (17, 3047600), (19, 2726800), (20, 2590460), (25, 2072368), (34, 1523800), (38, 1363400), (40, 1295230), (50, 1036184), (68, 761900), (76, 681700), (80, 647615), (85, 609520), (95, 545360), (100, 518092), (136, 380950), (152, 340850), (170, 304760), (190, 272680), (200, 259046), (272, 190475), (304, 170425), (323, 160400), (340, 152380), (380, 136340), (400, 129523), (401, 129200), (425, 121904), (475, 109072), (646, 80200), (680, 76190), (760, 68170), (802, 64600), (850, 60952), (950, 54536), (1292, 40100), (1360, 38095), (1520, 34085), (1604, 32300), (1615, 32080), (1700, 30476), (1900, 27268), (2005, 25840), (2584, 20050), (3208, 16150), (3230, 16040), (3400, 15238), (3800, 13634), (4010, 12920), (5168, 10025), (6416, 8075), (6460, 8020), (6800, 7619), (6817, 7600)]