16303783940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1\times {\mathrm{39509}}^1$

素因数の和:40004

約数の個数: 48

約数和(自身を含む): 35046950400

約数和(自身を除く): 18743166460

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 439, 470, 878, 940, 1756, 2195, 4390, 8780, 20633, 39509, 41266, 79018, 82532, 103165, 158036, 197545, 206330, 395090, 412660, 790180, 1856923, 3713846, 7427692, 9284615, 17344451, 18569230, 34688902, 37138460, 69377804, 86722255, 173444510, 346889020, 815189197, 1630378394, 3260756788, 4075945985, 8151891970, 16303783940]

約数ペア:

[(1, 16303783940), (2, 8151891970), (4, 4075945985), (5, 3260756788), (10, 1630378394), (20, 815189197), (47, 346889020), (94, 173444510), (188, 86722255), (235, 69377804), (439, 37138460), (470, 34688902), (878, 18569230), (940, 17344451), (1756, 9284615), (2195, 7427692), (4390, 3713846), (8780, 1856923), (20633, 790180), (39509, 412660), (41266, 395090), (79018, 206330), (82532, 197545), (103165, 158036)]