21995607520

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{6257}}^1$

素因数の和:6572

約数の個数: 96

約数和(自身を含む): 52684950528

約数和(自身を除く): 30689343008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 173, 254, 346, 508, 635, 692, 865, 1016, 1270, 1384, 1730, 2032, 2540, 2768, 3460, 4064, 5080, 5536, 6257, 6920, 10160, 12514, 13840, 20320, 21971, 25028, 27680, 31285, 43942, 50056, 62570, 87884, 100112, 109855, 125140, 175768, 200224, 219710, 250280, 351536, 439420, 500560, 703072, 794639, 878840, 1001120, 1082461, 1589278, 1757680, 2164922, 3178556, 3515360, 3973195, 4329844, 5412305, 6357112, 7946390, 8659688, 10824610, 12714224, 15892780, 17319376, 21649220, 25428448, 31785560, 34638752, 43298440, 63571120, 86596880, 127142240, 137472547, 173193760, 274945094, 549890188, 687362735, 1099780376, 1374725470, 2199560752, 2749450940, 4399121504, 5498901880, 10997803760, 21995607520]

約数ペア:

[(1, 21995607520), (2, 10997803760), (4, 5498901880), (5, 4399121504), (8, 2749450940), (10, 2199560752), (16, 1374725470), (20, 1099780376), (32, 687362735), (40, 549890188), (80, 274945094), (127, 173193760), (160, 137472547), (173, 127142240), (254, 86596880), (346, 63571120), (508, 43298440), (635, 34638752), (692, 31785560), (865, 25428448), (1016, 21649220), (1270, 17319376), (1384, 15892780), (1730, 12714224), (2032, 10824610), (2540, 8659688), (2768, 7946390), (3460, 6357112), (4064, 5412305), (5080, 4329844), (5536, 3973195), (6257, 3515360), (6920, 3178556), (10160, 2164922), (12514, 1757680), (13840, 1589278), (20320, 1082461), (21971, 1001120), (25028, 878840), (27680, 794639), (31285, 703072), (43942, 500560), (50056, 439420), (62570, 351536), (87884, 250280), (100112, 219710), (109855, 200224), (125140, 175768)]