80205004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 162328320

約数和(自身を除く): 82123316

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 197, 209, 394, 418, 487, 788, 836, 974, 1948, 2167, 3743, 4334, 5357, 7486, 8668, 9253, 10714, 14972, 18506, 21428, 37012, 41173, 82346, 95939, 101783, 164692, 191878, 203566, 383756, 407132, 1055329, 1822841, 2110658, 3645682, 4221316, 7291364, 20051251, 40102502, 80205004]

約数ペア:

[(1, 80205004), (2, 40102502), (4, 20051251), (11, 7291364), (19, 4221316), (22, 3645682), (38, 2110658), (44, 1822841), (76, 1055329), (197, 407132), (209, 383756), (394, 203566), (418, 191878), (487, 164692), (788, 101783), (836, 95939), (974, 82346), (1948, 41173), (2167, 37012), (3743, 21428), (4334, 18506), (5357, 14972), (7486, 10714), (8668, 9253)]