49957120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1311

約数の個数: 72

約数和(自身を含む): 123621120

約数和(自身を除く): 73664000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1259, 1280, 1984, 2480, 2518, 3968, 4960, 5036, 6295, 7936, 9920, 10072, 12590, 19840, 20144, 25180, 39029, 39680, 40288, 50360, 78058, 80576, 100720, 156116, 161152, 195145, 201440, 312232, 322304, 390290, 402880, 624464, 780580, 805760, 1248928, 1561160, 1611520, 2497856, 3122320, 4995712, 6244640, 9991424, 12489280, 24978560, 49957120]

約数ペア:

[(1, 49957120), (2, 24978560), (4, 12489280), (5, 9991424), (8, 6244640), (10, 4995712), (16, 3122320), (20, 2497856), (31, 1611520), (32, 1561160), (40, 1248928), (62, 805760), (64, 780580), (80, 624464), (124, 402880), (128, 390290), (155, 322304), (160, 312232), (248, 201440), (256, 195145), (310, 161152), (320, 156116), (496, 100720), (620, 80576), (640, 78058), (992, 50360), (1240, 40288), (1259, 39680), (1280, 39029), (1984, 25180), (2480, 20144), (2518, 19840), (3968, 12590), (4960, 10072), (5036, 9920), (6295, 7936)]