28382080

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 69058080

約数和(自身を除く): 40676000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 727, 976, 1220, 1454, 1952, 2440, 2908, 3635, 3904, 4880, 5816, 7270, 7808, 9760, 11632, 14540, 19520, 23264, 29080, 39040, 44347, 46528, 58160, 88694, 93056, 116320, 177388, 221735, 232640, 354776, 443470, 465280, 709552, 886940, 1419104, 1773880, 2838208, 3547760, 5676416, 7095520, 14191040, 28382080]

約数ペア:

[(1, 28382080), (2, 14191040), (4, 7095520), (5, 5676416), (8, 3547760), (10, 2838208), (16, 1773880), (20, 1419104), (32, 886940), (40, 709552), (61, 465280), (64, 443470), (80, 354776), (122, 232640), (128, 221735), (160, 177388), (244, 116320), (305, 93056), (320, 88694), (488, 58160), (610, 46528), (640, 44347), (727, 39040), (976, 29080), (1220, 23264), (1454, 19520), (1952, 14540), (2440, 11632), (2908, 9760), (3635, 7808), (3904, 7270), (4880, 5816)]