86720560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{967}}^1$

素因数の和:1058

約数の個数: 80

約数和(自身を含む): 216057600

約数和(自身を除く): 129337040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 590, 760, 944, 967, 1121, 1180, 1520, 1934, 2242, 2360, 3868, 4484, 4720, 4835, 5605, 7736, 8968, 9670, 11210, 15472, 17936, 18373, 19340, 22420, 36746, 38680, 44840, 57053, 73492, 77360, 89680, 91865, 114106, 146984, 183730, 228212, 285265, 293968, 367460, 456424, 570530, 734920, 912848, 1084007, 1141060, 1469840, 2168014, 2282120, 4336028, 4564240, 5420035, 8672056, 10840070, 17344112, 21680140, 43360280, 86720560]

約数ペア:

[(1, 86720560), (2, 43360280), (4, 21680140), (5, 17344112), (8, 10840070), (10, 8672056), (16, 5420035), (19, 4564240), (20, 4336028), (38, 2282120), (40, 2168014), (59, 1469840), (76, 1141060), (80, 1084007), (95, 912848), (118, 734920), (152, 570530), (190, 456424), (236, 367460), (295, 293968), (304, 285265), (380, 228212), (472, 183730), (590, 146984), (760, 114106), (944, 91865), (967, 89680), (1121, 77360), (1180, 73492), (1520, 57053), (1934, 44840), (2242, 38680), (2360, 36746), (3868, 22420), (4484, 19340), (4720, 18373), (4835, 17936), (5605, 15472), (7736, 11210), (8968, 9670)]