19914830080

素因数分解:

$2^8\times 5^1\times {\mathrm{2287}}^1\times {\mathrm{6803}}^1$

素因数の和:9111

約数の個数: 72

約数和(自身を含む): 47730114432

約数和(自身を除く): 27815284352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 2287, 4574, 6803, 9148, 11435, 13606, 18296, 22870, 27212, 34015, 36592, 45740, 54424, 68030, 73184, 91480, 108848, 136060, 146368, 182960, 217696, 272120, 292736, 365920, 435392, 544240, 585472, 731840, 870784, 1088480, 1463680, 1741568, 2176960, 2927360, 4353920, 8707840, 15558461, 31116922, 62233844, 77792305, 124467688, 155584610, 248935376, 311169220, 497870752, 622338440, 995741504, 1244676880, 1991483008, 2489353760, 3982966016, 4978707520, 9957415040, 19914830080]

約数ペア:

[(1, 19914830080), (2, 9957415040), (4, 4978707520), (5, 3982966016), (8, 2489353760), (10, 1991483008), (16, 1244676880), (20, 995741504), (32, 622338440), (40, 497870752), (64, 311169220), (80, 248935376), (128, 155584610), (160, 124467688), (256, 77792305), (320, 62233844), (640, 31116922), (1280, 15558461), (2287, 8707840), (4574, 4353920), (6803, 2927360), (9148, 2176960), (11435, 1741568), (13606, 1463680), (18296, 1088480), (22870, 870784), (27212, 731840), (34015, 585472), (36592, 544240), (45740, 435392), (54424, 365920), (68030, 292736), (73184, 272120), (91480, 217696), (108848, 182960), (136060, 146368)]