29519920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19421}}^1$

素因数の和:19453

約数の個数: 40

約数和(自身を含む): 72249840

約数和(自身を除く): 42729920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19421, 38842, 77684, 97105, 155368, 194210, 310736, 368999, 388420, 737998, 776840, 1475996, 1553680, 1844995, 2951992, 3689990, 5903984, 7379980, 14759960, 29519920]

約数ペア:

[(1, 29519920), (2, 14759960), (4, 7379980), (5, 5903984), (8, 3689990), (10, 2951992), (16, 1844995), (19, 1553680), (20, 1475996), (38, 776840), (40, 737998), (76, 388420), (80, 368999), (95, 310736), (152, 194210), (190, 155368), (304, 97105), (380, 77684), (760, 38842), (1520, 19421)]