55021960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 149713920

約数和(自身を除く): 94691960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 47, 56, 70, 74, 94, 113, 140, 148, 185, 188, 226, 235, 259, 280, 296, 329, 370, 376, 452, 470, 518, 565, 658, 740, 791, 904, 940, 1036, 1130, 1295, 1316, 1480, 1582, 1645, 1739, 1880, 2072, 2260, 2590, 2632, 3164, 3290, 3478, 3955, 4181, 4520, 5180, 5311, 6328, 6580, 6956, 7910, 8362, 8695, 10360, 10622, 12173, 13160, 13912, 15820, 16724, 17390, 20905, 21244, 24346, 26555, 29267, 31640, 33448, 34780, 37177, 41810, 42488, 48692, 53110, 58534, 60865, 69560, 74354, 83620, 97384, 106220, 117068, 121730, 146335, 148708, 167240, 185885, 196507, 212440, 234136, 243460, 292670, 297416, 371770, 393014, 486920, 585340, 743540, 786028, 982535, 1170680, 1375549, 1487080, 1572056, 1965070, 2751098, 3930140, 5502196, 6877745, 7860280, 11004392, 13755490, 27510980, 55021960]

約数ペア:

[(1, 55021960), (2, 27510980), (4, 13755490), (5, 11004392), (7, 7860280), (8, 6877745), (10, 5502196), (14, 3930140), (20, 2751098), (28, 1965070), (35, 1572056), (37, 1487080), (40, 1375549), (47, 1170680), (56, 982535), (70, 786028), (74, 743540), (94, 585340), (113, 486920), (140, 393014), (148, 371770), (185, 297416), (188, 292670), (226, 243460), (235, 234136), (259, 212440), (280, 196507), (296, 185885), (329, 167240), (370, 148708), (376, 146335), (452, 121730), (470, 117068), (518, 106220), (565, 97384), (658, 83620), (740, 74354), (791, 69560), (904, 60865), (940, 58534), (1036, 53110), (1130, 48692), (1295, 42488), (1316, 41810), (1480, 37177), (1582, 34780), (1645, 33448), (1739, 31640), (1880, 29267), (2072, 26555), (2260, 24346), (2590, 21244), (2632, 20905), (3164, 17390), (3290, 16724), (3478, 15820), (3955, 13912), (4181, 13160), (4520, 12173), (5180, 10622), (5311, 10360), (6328, 8695), (6580, 8362), (6956, 7910)]