24978560

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1309

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 36711040

約数列:

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

約数ペア:

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