28305340120

素因数分解:

$2^3\times 5^1\times {\mathrm{38377}}^1\times {\mathrm{18439}}^1$

素因数の和:56827

約数の個数: 32

約数和(自身を含む): 63692128800

約数和(自身を除く): 35386788680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 18439, 36878, 38377, 73756, 76754, 92195, 147512, 153508, 184390, 191885, 307016, 368780, 383770, 737560, 767540, 1535080, 707633503, 1415267006, 2830534012, 3538167515, 5661068024, 7076335030, 14152670060, 28305340120]

約数ペア:

[(1, 28305340120), (2, 14152670060), (4, 7076335030), (5, 5661068024), (8, 3538167515), (10, 2830534012), (20, 1415267006), (40, 707633503), (18439, 1535080), (36878, 767540), (38377, 737560), (73756, 383770), (76754, 368780), (92195, 307016), (147512, 191885), (153508, 184390)]