191791120

素因数分解:

$2^4\times 5^1\times {\mathrm{601}}^1\times {\mathrm{3989}}^1$

素因数の和:4603

約数の個数: 40

約数和(自身を含む): 446768280

約数和(自身を除く): 254977160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 601, 1202, 2404, 3005, 3989, 4808, 6010, 7978, 9616, 12020, 15956, 19945, 24040, 31912, 39890, 48080, 63824, 79780, 159560, 319120, 2397389, 4794778, 9589556, 11986945, 19179112, 23973890, 38358224, 47947780, 95895560, 191791120]

約数ペア:

[(1, 191791120), (2, 95895560), (4, 47947780), (5, 38358224), (8, 23973890), (10, 19179112), (16, 11986945), (20, 9589556), (40, 4794778), (80, 2397389), (601, 319120), (1202, 159560), (2404, 79780), (3005, 63824), (3989, 48080), (4808, 39890), (6010, 31912), (7978, 24040), (9616, 19945), (12020, 15956)]