80195428

素因数分解:

$2^2\times {\mathrm{19}}^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 154067200

約数和(自身を除く): 73871772

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 79, 148, 158, 316, 361, 703, 722, 1406, 1444, 1501, 2812, 2923, 3002, 5846, 6004, 6859, 11692, 13357, 13718, 26714, 27436, 28519, 53428, 55537, 57038, 111074, 114076, 222148, 253783, 507566, 541861, 1015132, 1055203, 1083722, 2110406, 2167444, 4220812, 20048857, 40097714, 80195428]

約数ペア:

[(1, 80195428), (2, 40097714), (4, 20048857), (19, 4220812), (37, 2167444), (38, 2110406), (74, 1083722), (76, 1055203), (79, 1015132), (148, 541861), (158, 507566), (316, 253783), (361, 222148), (703, 114076), (722, 111074), (1406, 57038), (1444, 55537), (1501, 53428), (2812, 28519), (2923, 27436), (3002, 26714), (5846, 13718), (6004, 13357), (6859, 11692)]