90798320

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3697}}^1$

素因数の和:4017

約数の個数: 40

約数和(自身を含む): 211851024

約数和(自身を除く): 121052704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 3697, 4912, 6140, 7394, 12280, 14788, 18485, 24560, 29576, 36970, 59152, 73940, 147880, 295760, 1134979, 2269958, 4539916, 5674895, 9079832, 11349790, 18159664, 22699580, 45399160, 90798320]

約数ペア:

[(1, 90798320), (2, 45399160), (4, 22699580), (5, 18159664), (8, 11349790), (10, 9079832), (16, 5674895), (20, 4539916), (40, 2269958), (80, 1134979), (307, 295760), (614, 147880), (1228, 73940), (1535, 59152), (2456, 36970), (3070, 29576), (3697, 24560), (4912, 18485), (6140, 14788), (7394, 12280)]