27696640

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:403

約数の個数: 80

約数和(自身を含む): 68745600

約数和(自身を除く): 41048960

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, 349, 496, 512, 620, 640, 698, 992, 1240, 1280, 1396, 1745, 1984, 2480, 2560, 2792, 3490, 3968, 4960, 5584, 6980, 7936, 9920, 10819, 11168, 13960, 15872, 19840, 21638, 22336, 27920, 39680, 43276, 44672, 54095, 55840, 79360, 86552, 89344, 108190, 111680, 173104, 178688, 216380, 223360, 346208, 432760, 446720, 692416, 865520, 893440, 1384832, 1731040, 2769664, 3462080, 5539328, 6924160, 13848320, 27696640]

約数ペア:

[(1, 27696640), (2, 13848320), (4, 6924160), (5, 5539328), (8, 3462080), (10, 2769664), (16, 1731040), (20, 1384832), (31, 893440), (32, 865520), (40, 692416), (62, 446720), (64, 432760), (80, 346208), (124, 223360), (128, 216380), (155, 178688), (160, 173104), (248, 111680), (256, 108190), (310, 89344), (320, 86552), (349, 79360), (496, 55840), (512, 54095), (620, 44672), (640, 43276), (698, 39680), (992, 27920), (1240, 22336), (1280, 21638), (1396, 19840), (1745, 15872), (1984, 13960), (2480, 11168), (2560, 10819), (2792, 9920), (3490, 7936), (3968, 6980), (4960, 5584)]