38639920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2311}}^1$

素因数の和:2354

約数の個数: 80

約数和(自身を含む): 103207680

約数和(自身を除く): 64567760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 2311, 3344, 4180, 4622, 8360, 9244, 11555, 16720, 18488, 23110, 25421, 36976, 43909, 46220, 50842, 87818, 92440, 101684, 127105, 175636, 184880, 203368, 219545, 254210, 351272, 406736, 439090, 482999, 508420, 702544, 878180, 965998, 1016840, 1756360, 1931996, 2033680, 2414995, 3512720, 3863992, 4829990, 7727984, 9659980, 19319960, 38639920]

約数ペア:

[(1, 38639920), (2, 19319960), (4, 9659980), (5, 7727984), (8, 4829990), (10, 3863992), (11, 3512720), (16, 2414995), (19, 2033680), (20, 1931996), (22, 1756360), (38, 1016840), (40, 965998), (44, 878180), (55, 702544), (76, 508420), (80, 482999), (88, 439090), (95, 406736), (110, 351272), (152, 254210), (176, 219545), (190, 203368), (209, 184880), (220, 175636), (304, 127105), (380, 101684), (418, 92440), (440, 87818), (760, 50842), (836, 46220), (880, 43909), (1045, 36976), (1520, 25421), (1672, 23110), (2090, 18488), (2311, 16720), (3344, 11555), (4180, 9244), (4622, 8360)]